/* Function To 'n' number of menus add menus */

function init() {
 
			if (Menu.isSupported()) {
				Menu.initialize();
				
				menu1.onactivate = function() { document.getElementById("aboutus").className = "hover"; }; /* menu 1 added */
				menu1.ondeactivate = function() { document.getElementById("aboutus").className = ""; };

				menu2.onactivate = function() { document.getElementById("products").className = "hover"; }; /* menu 2 added */
				menu2.ondeactivate = function() { document.getElementById("products").className = ""; };

				menu3.onactivate = function() { document.getElementById("services").className = "hover"; }; /* menu 3 added */
				menu3.ondeactivate = function() { document.getElementById("services").className = ""; };

				menu4.onactivate = function() { document.getElementById("clients").className = "hover"; }; /* menu 4 added */
				menu4.ondeactivate = function() { document.getElementById("clients").className = ""; };

				menu5.onactivate = function() { document.getElementById("research").className = "hover"; }; /* menu 5 added */ 
				menu5.ondeactivate = function() { document.getElementById("research").className = ""; };
				
				menu6.onactivate = function() { document.getElementById("login").className = "hover"; };  /* menu 6 added */
				menu6.ondeactivate = function() { document.getElementById("login").className = "";};
				
				menu7.onactivate = function() { document.getElementById("careers").className = "hover";
				   
				   };  /* menu 6 added */
				menu7.ondeactivate = function() { document.getElementById("careers").className = "";};

				}
				
		}
		
 
function init_main() {
 
			if (Menu.isSupported()) {
				Menu.initialize();
				
				menu1.onactivate = function() { document.getElementById("aboutus").className = "hover"; }; /* menu 1 added */
				menu1.ondeactivate = function() { document.getElementById("aboutus").className = ""; };

				menu2.onactivate = function() { document.getElementById("products").className = "hover"; }; /* menu 2 added */
				menu2.ondeactivate = function() { document.getElementById("products").className = ""; };

				menu3.onactivate = function() { document.getElementById("services").className = "hover"; }; /* menu 3 added */
				menu3.ondeactivate = function() { document.getElementById("services").className = ""; };

				menu4.onactivate = function() { document.getElementById("clients").className = "hover"; }; /* menu 4 added */
				menu4.ondeactivate = function() { document.getElementById("clients").className = ""; };

				menu5.onactivate = function() { document.getElementById("research").className = "hover"; }; /* menu 5 added */ 
				menu5.ondeactivate = function() { document.getElementById("research").className = ""; };
				
				menu6.onactivate = function() {  document.getElementById("login").className="hover";  };  /* menu 6 added */
				menu6.ondeactivate = function() { document.getElementById("login").className = ""; };				
				menu7.onactivate = function() {	document.getElementById("careers").className = "hover"; };  /* menu 6 added */
				menu7.ondeactivate = function() { document.getElementById("careers").className = ""; };

			}
				
		}
		
/* Transmenus */  
/* Note: To Change Background color of Transmenus, change in 2nd line below in the code: Menu.backgroundColor="#ffffff";*/
/* Note: Please DONT change anything else in the codes below */

Menu.menuPadding = 5;
Menu.itemPadding = 3;
Menu.shadowSize = 2;
Menu.shadowOffset = 3;
Menu.shadowColor = "#888";
Menu.shadowPng = "img/grey-40.png";
Menu.backgroundColor = "#ffffff";
Menu.backgroundPng = "img/white-90.png";
Menu.hideDelay = 1000;
Menu.slideTime = 400;
Menu.reference = {
    topLeft: 1,
    topRight: 2,
    bottomLeft: 3,
    bottomRight: 4
};
Menu.direction = {
    down: 1,
    right: 2
};
Menu.registry = [];
Menu._maxZ = 100;
Menu.isSupported = function () {
    var ua = navigator.userAgent.toLowerCase();
    var pf = navigator.platform.toLowerCase();
    var an = navigator.appName;
    var r = false;
    if (ua.indexOf("gecko") > -1 && navigator.productSub >= 20020605) r = true;
    else if ((an == "Microsoft Internet Explorer") || an.indexOf("opera")) {
        if (document.getElementById) {
            if (pf.indexOf("mac") == 0) {
                r = /msie (\d(.\d*)?)/.test(ua) && Number(RegExp.$1) >= 5.1;
            } else r = true;
        }
    }
    return r;
}
Menu.initialize = function () {
    for (var i = 0, menu = null; menu = this.registry[i]; i++) {
        menu.initialize();
    }
}
Menu.renderAll = function () {
    var aMenuHtml = [];
    for (var i = 0, menu = null; menu = this.registry[i]; i++) {
        aMenuHtml[i] = menu.toString();
    }
    document.write(aMenuHtml.join(""));
}

function Menu(oActuator, iDirection, iLeft, iTop, iReferencePoint, parentMenuSet) {
    this.addItem = addItem;
    this.addMenu = addMenu;
    this.toString = toString;
    this.initialize = initialize;
    this.isOpen = false;
    this.show = show;
    this.hide = hide;
    this.items = [];
    this.onactivate = new Function();
    this.ondeactivate = new Function();
    this.onmouseover = new Function();
    this.onqueue = new Function();
    this.ondequeue = new Function();
    this.index = Menu.registry.length;
    Menu.registry[this.index] = this;
    var id = "Menu" + this.index;
    var contentHeight = null;
    var contentWidth = null;
    var childMenuSet = null;
    var animating = false;
    var childMenus = [];
    var slideAccel = -1;
    var elmCache = null;
    var ready = false;
    var _this = this;
    var a = null;
    var pos = iDirection == Menu.direction.down ? "top" : "left";
    var dim = null;

    function addItem(sText, sUrl, sTitle) {
        var item = new MenuItem(sText, sUrl, sTitle, this);
        item._index = this.items.length;
        this.items[item._index] = item;
    }

    function addMenu(oMenuItem) {
        if (!oMenuItem.parentMenu == this) throw new Error("Cannot add a menu here");
        if (childMenuSet == null) childMenuSet = new MenuSet(Menu.direction.right, 0, 1, Menu.reference.topRight);
        var m = childMenuSet.addMenu(oMenuItem);
        childMenus[oMenuItem._index] = m;
        m.onmouseover = child_mouseover;
        m.ondeactivate = child_deactivate;
        m.onqueue = child_queue;
        m.ondequeue = child_dequeue;
        return m;
    }

    function initialize() {
        initCache();
        initEvents();
        initSize();
        ready = true;
    }

    function show() {
        if (ready) {
            _this.isOpen = true;
            animating = true;
            setContainerPos();
            elmCache["clip"].style.visibility = "visible";
            elmCache["clip"].style.zIndex = Menu._maxZ++;
            slideStart();
            _this.onactivate();
        }
    }

    function hide() {
        if (ready) {
            _this.isOpen = false;
            animating = true;
            for (var i = 0, item = null; item = elmCache.item[i]; i++) dehighlight(item);
            if (childMenuSet) childMenuSet.hide();
            slideStart();
            _this.ondeactivate();
        }
    }

    function setContainerPos() {
        var sub = oActuator.constructor == MenuItem;
        var act = sub ? oActuator.parentMenu.elmCache["item"][oActuator._index] : oActuator;
        var el = act;
        var x = 0;
        var y = 0;
        var minX = 0;
        var maxX = (window.innerWidth ? window.innerWidth : document.body.clientWidth) - parseInt(elmCache["clip"].style.width);
        var minY = 0;
        var maxY = (window.innerHeight ? window.innerHeight : document.body.clientHeight) - parseInt(elmCache["clip"].style.height);
        while (sub ? el.parentNode.className.indexOf("Menu") == -1 : el.offsetParent) {
            x += el.offsetLeft;
            y += el.offsetTop;
            if (el.scrollLeft) x -= el.scrollLeft;
            if (el.scrollTop) y -= el.scrollTop;
            el = el.offsetParent;
        }
        if (oActuator.constructor == MenuItem) {
            x += parseInt(el.parentNode.style.left);
            y += parseInt(el.parentNode.style.top);
        }
        switch (iReferencePoint) {
        case Menu.reference.topLeft:
            break;
        case Menu.reference.topRight:
            x += act.offsetWidth;
            break;
        case Menu.reference.bottomLeft:
            y += act.offsetHeight;
            break;
        case Menu.reference.bottomRight:
            x += act.offsetWidth;
            y += act.offsetHeight;
            break;
        }
        x += iLeft;
        y += iTop;
        x = Math.max(Math.min(x, maxX), minX);
        y = Math.max(Math.min(y, maxY), minY);
        elmCache["clip"].style.left = x + "px";
        elmCache["clip"].style.top = y + "px";
    }

    function slideStart() {
        var x0 = parseInt(elmCache["content"].style[pos]);
        var x1 = _this.isOpen ? 0 : -dim;
        if (a != null) a.stop();
        a = new Accelimation(x0, x1, Menu.slideTime, slideAccel);
        a.onframe = slideFrame;
        a.onend = slideEnd;
        a.start();
    }

    function slideFrame(x) {
        elmCache["content"].style[pos] = x + "px";
    }

    function slideEnd() {
        if (!_this.isOpen) elmCache["clip"].style.visibility = "hidden";
        animating = false;
    }

    function initSize() {
        var ow = elmCache["items"].offsetWidth;
        var oh = elmCache["items"].offsetHeight;
        var ua = navigator.userAgent.toLowerCase();
        elmCache["clip"].style.width = ow + Menu.shadowSize + 2 + "px";
        elmCache["clip"].style.height = oh + Menu.shadowSize + 2 + "px";
        elmCache["content"].style.width = ow + Menu.shadowSize + "px";
        elmCache["content"].style.height = oh + Menu.shadowSize + "px";
        contentHeight = oh + Menu.shadowSize;
        contentWidth = ow + Menu.shadowSize;
        dim = iDirection == Menu.direction.down ? contentHeight : contentWidth;
        elmCache["content"].style[pos] = -dim - Menu.shadowSize + "px";
        elmCache["clip"].style.visibility = "hidden";
        if (ua.indexOf("mac") == -1 || ua.indexOf("gecko") > -1) {
            elmCache["background"].style.width = ow + "px";
            elmCache["background"].style.height = oh + "px";
            elmCache["background"].style.backgroundColor = Menu.backgroundColor;
            elmCache["shadowRight"].style.left = ow + "px";
            elmCache["shadowRight"].style.height = oh - (Menu.shadowOffset - Menu.shadowSize) + "px";
            elmCache["shadowRight"].style.backgroundColor = Menu.shadowColor;
            elmCache["shadowBottom"].style.top = oh + "px";
            elmCache["shadowBottom"].style.width = ow - Menu.shadowOffset + "px";
            elmCache["shadowBottom"].style.backgroundColor = Menu.shadowColor;
        } else {
            elmCache["background"].firstChild.src = Menu.backgroundPng;
            elmCache["background"].firstChild.width = ow;
            elmCache["background"].firstChild.height = oh;
            elmCache["shadowRight"].firstChild.src = Menu.shadowPng;
            elmCache["shadowRight"].style.left = ow + "px";
            elmCache["shadowRight"].firstChild.width = Menu.shadowSize;
            elmCache["shadowRight"].firstChild.height = oh - (Menu.shadowOffset - Menu.shadowSize);
            elmCache["shadowBottom"].firstChild.src = Menu.shadowPng;
            elmCache["shadowBottom"].style.top = oh + "px";
            elmCache["shadowBottom"].firstChild.height = Menu.shadowSize;
            elmCache["shadowBottom"].firstChild.width = ow - Menu.shadowOffset;
        }
    }

    function initCache() {
        var menu = document.getElementById(id);
        var all = menu.all ? menu.all : menu.getElementsByTagName("*");
        elmCache = {};
        elmCache["clip"] = menu;
        elmCache["item"] = [];
        for (var i = 0, elm = null; elm = all[i]; i++) {
            switch (elm.className) {
            case "items":
            case "content":
            case "background":
            case "shadowRight":
            case "shadowBottom":
                elmCache[elm.className] = elm;
                break;
            case "item":
                elm._index = elmCache["item"].length;
                elmCache["item"][elm._index] = elm;
                break;
            }
        }
        _this.elmCache = elmCache;
    }

    function initEvents() {
        for (var i = 0, item = null; item = elmCache.item[i]; i++) {
            item.onmouseover = item_mouseover;
            item.onmouseout = item_mouseout;
            item.onclick = item_click;
        }
        if (typeof oActuator.tagName != "undefined") {
            oActuator.onmouseover = actuator_mouseover;
            oActuator.onmouseout = actuator_mouseout;
        }
        elmCache["content"].onmouseover = content_mouseover;
        elmCache["content"].onmouseout = content_mouseout;
    }

    function highlight(oRow) {
        oRow.className = "item hover";
        if (childMenus[oRow._index]) oRow.lastChild.firstChild.src = Menu.dingbatOn;
    }

    function dehighlight(oRow) {
        oRow.className = "item";
        if (childMenus[oRow._index]) oRow.lastChild.firstChild.src = Menu.dingbatOff;
    }

    function item_mouseover() {
        if (!animating) {
            highlight(this);
            if (childMenus[this._index]) childMenuSet.showMenu(childMenus[this._index]);
            else if (childMenuSet) childMenuSet.hide();
        }
    }

    function item_mouseout() {
        if (!animating) {
            if (childMenus[this._index]) childMenuSet.hideMenu(childMenus[this._index]);
            else dehighlight(this);
        }
    }

    function item_click() {
        if (!animating) {
            if (_this.items[this._index].url) location.href = _this.items[this._index].url;
        }
    }

    function actuator_mouseover() {
        parentMenuSet.showMenu(_this);
    }

    function actuator_mouseout() {
        parentMenuSet.hideMenu(_this);
    }

    function content_mouseover() {
        if (!animating) {
            parentMenuSet.showMenu(_this);
            _this.onmouseover();
        }
    }

    function content_mouseout() {
        if (!animating) {
            parentMenuSet.hideMenu(_this);
        }
    }

    function child_mouseover() {
        if (!animating) {
            parentMenuSet.showMenu(_this);
        }
    }

    function child_deactivate() {
        for (var i = 0; i < childMenus.length; i++) {
            if (childMenus[i] == this) {
                dehighlight(elmCache["item"][i]);
                break;
            }
        }
    }

    function child_queue() {
        parentMenuSet.hideMenu(_this);
    }

    function child_dequeue() {
        parentMenuSet.showMenu(_this);
    }

    function toString() {
        var aHtml = [];
        var sClassName = "Menu" + (oActuator.constructor != MenuItem ? " top" : "");
        for (var i = 0, item = null; item = this.items[i]; i++) {
            aHtml[i] = item.toString(childMenus[i]);
        }
        return '<div id="' + id + '" class="' + sClassName + '">' + '<div class="content"><table class="items" cellpadding="0" cellspacing="0" border="0">' + '<tr></tr>' + aHtml.join('') + '<tr></tr></table>' + '<div class="shadowBottom"><img src="' + Menu.spacerGif + '" width="1" height="1"></div>' + '<div class="shadowRight"><img src="' + Menu.spacerGif + '" width="1" height="1"></div>' + '<div class="background"><img src="' + Menu.spacerGif + '" width="1" height="1"></div>' + '</div></div>';
    }
}

MenuSet.registry = [];

function MenuSet(iDirection, iLeft, iTop, iReferencePoint) {
    this.addMenu = addMenu;
    this.showMenu = showMenu;
    this.hideMenu = hideMenu;
    this.hide = hide;
    this.hideCurrent = hideCurrent;
    var menus = [];
    var _this = this;
    var current = null;
    this.index = MenuSet.registry.length;
    MenuSet.registry[this.index] = this;

    function addMenu(oActuator) {
        var m = new Menu(oActuator, iDirection, iLeft, iTop, iReferencePoint, this);
        menus[menus.length] = m;
        return m;
    }

    function showMenu(oMenu) {
        if (oMenu != current) {
            if (current != null) hide(current);
            current = oMenu;
            oMenu.show();
        } else {
            cancelHide(oMenu);
        }
    }

    function hideMenu(oMenu) {
        if (current == oMenu && oMenu.isOpen) {
            if (!oMenu.hideTimer) scheduleHide(oMenu);
        }
    }

    function scheduleHide(oMenu) {
        oMenu.onqueue();
        oMenu.hideTimer = window.setTimeout("MenuSet.registry[" + _this.index + "].hide(Menu.registry[" + oMenu.index + "])", Menu.hideDelay);
    }

    function cancelHide(oMenu) {
        if (oMenu.hideTimer) {
            oMenu.ondequeue();
            window.clearTimeout(oMenu.hideTimer);
            oMenu.hideTimer = null;
        }
    }

    function hide(oMenu) {
        if (!oMenu && current) oMenu = current;
        if (oMenu && current == oMenu && oMenu.isOpen) {
            hideCurrent();
        }
    }

    function hideCurrent() {
        if (null != current) {
            cancelHide(current);
            current.hideTimer = null;
            current.hide();
            current = null;
        }
    }
}

function MenuItem(sText, sUrl, sTitle, oParent) {
    this.toString = toString;
    this.text = sText;
    this.url = sUrl;
	this.url = sTitle;
    this.parentMenu = oParent;

    function toString(bDingbat) {
        var sDingbat = bDingbat ? Menu.dingbatOff : Menu.spacerGif;
        var iEdgePadding = Menu.itemPadding + Menu.menuPadding;
        var sPaddingLeft = "padding:0px; padding-left:0px;"
        var sPaddingRight = "padding:0px; padding-right:2px;"
        return '<tr class="item"><td class=initem><a title="'+ sTitle +'" href= '+sUrl+' style=" padding-left:2px;">' + sText + '</td></tr>';
    }
}

function Accelimation(from, to, time, zip) {
    if (typeof zip == "undefined") zip = 0;
    if (typeof unit == "undefined") unit = "px";
    this.x0 = from;
    this.x1 = to;
    this.dt = time;
    this.zip = -zip;
    this.unit = unit;
    this.timer = null;
    this.onend = new Function();
    this.onframe = new Function();
}
Accelimation.prototype.start = function () {
    this.t0 = new Date().getTime();
    this.t1 = this.t0 + this.dt;
    var dx = this.x1 - this.x0;
    this.c1 = this.x0 + ((1 + this.zip) * dx / 3);
    this.c2 = this.x0 + ((2 + this.zip) * dx / 3);
    Accelimation._add(this);
}
Accelimation.prototype.stop = function () {
    Accelimation._remove(this);
}
Accelimation.prototype._paint = function (time) {
    if (time < this.t1) {
        var elapsed = time - this.t0;
        this.onframe(Accelimation._getBezier(elapsed / this.dt, this.x0, this.x1, this.c1, this.c2));
    } else this._end();
}
Accelimation.prototype._end = function () {
    Accelimation._remove(this);
    this.onframe(this.x1);
    this.onend();
}
Accelimation._add = function (o) {
    var index = this.instances.length;
    this.instances[index] = o;
    if (this.instances.length == 1) {
        this.timerID = window.setInterval("Accelimation._paintAll()", this.targetRes);
    }
}
Accelimation._remove = function (o) {
    for (var i = 0; i < this.instances.length; i++) {
        if (o == this.instances[i]) {
            this.instances = this.instances.slice(0, i).concat(this.instances.slice(i + 1));
            break;
        }
    }
    if (this.instances.length == 0) {
        window.clearInterval(this.timerID);
        this.timerID = null;
    }
}
Accelimation._paintAll = function () {
    var now = new Date().getTime();
    for (var i = 0; i < this.instances.length; i++) {
        this.instances[i]._paint(now);
    }
}
Accelimation._B1 = function (t) {
    return t * t * t
}
Accelimation._B2 = function (t) {
    return 3 * t * t * (1 - t)
}
Accelimation._B3 = function (t) {
    return 3 * t * (1 - t) * (1 - t)
}
Accelimation._B4 = function (t) {
    return (1 - t) * (1 - t) * (1 - t)
}
Accelimation._getBezier = function (percent, startPos, endPos, control1, control2) {
    return endPos * this._B1(percent) + control2 * this._B2(percent) + control1 * this._B3(percent) + startPos * this._B4(percent);
}
Accelimation.instances = [];
Accelimation.targetRes = 10;
Accelimation.timerID = null;
if (window.attachEvent) {
    var cearElementProps = ['data', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'ondblclick', 'onclick', 'onselectstart', 'oncontextmenu'];
    window.attachEvent("onunload", function () {
        var el;
        for (var d = document.all.length; d--;) {
            el = document.all[d];
            for (var c = cearElementProps.length; c--;) {
                el[cearElementProps[c]] = null;
            }
        }
    });
}