//	alert('menuhandler.js');
	var displaySubMenu = {};
	
	displaySubMenu['featuresTab'] = 'featuresSubMenu';
	displaySubMenu['supportTab'] = 'supportSubMenu';
	displaySubMenu['aboutUsTab'] = 'aboutUsSubMenu';
	displaySubMenu['helpTab'] = 'helpSubMenu';
	displaySubMenu['newsTab'] = 'newsSubMenu';
	
	var subMenuKeys = {};
	
	subMenuKeys['howitworks.jsp'] = 'featuresTab';
	subMenuKeys['quickstartguide.jsp'] = 'featuresTab';
	subMenuKeys['performancenalysis.jsp'] = 'featuresTab';
	
	subMenuKeys['contactus.jsp'] = 'supportTab';
	
	subMenuKeys['aboutus.jsp'] = 'aboutusTab';
	subMenuKeys['showfeedback.jsp'] = 'aboutusTab';
	
	subMenuKeys['news.jsp'] = 'newsTab';
	subMenuKeys['pressrelease.jsp'] = 'newsTab';
	subMenuKeys['pressroom.jsp'] = 'newsTab';

	mainTab = subMenuKeys[mainMenuTabHilithed];
//	alert(mainTab+'list');
//	alert(document.getElementByClassName(mainTab+'List'));
//	alert(document.getElementByClassName(mainTab+'List').style);
//	alert(document.getElementByClassName(mainTab+'List').style.display);
	getElementByClassName(mainTab+'List').style.display='none';
//	alert(mainTab+'tab');
	getElementByClassName(mainTab).style.display='';
//	alert(mainTab+'menu');
	getElementByClassName(mainTab+'Menu').style.display='';
//	alert('exit');

	highlightMainTab(); // inline call
	
function highlightMainTab()
{
	var tabTdArray;
	var tabTR;

	tabTR = getElementByClassName(mainMenuTabHilithed);
	tabTdArray = tabTR.getElementsByTagName('td');

	tabTdArray[0].className = "sub-button-left-hover";
	tabTdArray[1].className = "sub-button-middle-hover";
	tabTdArray[2].className = "sub-button-right-hover";
}
	
function commonTabRollOver(row, effect)
{
	var tdArray = row.getElementsByTagName('td');
	if(effect==1) 
	{
		tdArray[0].className = "sub-button-left-hover";
		tdArray[1].className = "sub-button-middle-hover";
		tdArray[2].className = "sub-button-right-hover";
	} 
	else 
	{
		tdArray[0].className = "sub-button-left";
		tdArray[1].className = "sub-button-middle";
		tdArray[2].className = "sub-button-right";
	}
	
	highlightMainTab();
}

	function getElementByClassName(cl) {
	var retnode = [];
	var myclass = new RegExp('\\b'+cl+'\\b');
	var elem = document.getElementsByTagName('*');
	for (var i = 0; i < elem.length; i++) {
	var classes = elem[i].className;
	if (myclass.test(classes)) retnode.push(elem[i]);
	}
	return retnode[0];
	};