var currentTab = 'EmL';
	var allTabs = ['EmL','EmEx','Ex'];
	var _postf_main = '_content_main';
	var _postf_tab = '_tab';
	var _postf_tab_left = '_tab_left';
	var _postf_tab_center = '_tab_center';
	var _postf_tab_right = '_tab_right';	
	function hideDiv(sDiv){
		document.getElementById(sDiv).style.display = 'none';
	}
	function setClassActDis(sTab, _postf, act)
	{
		cname = sTab + _postf + ((act)?'_act':'_dis');
		div = document.getElementById(sTab + _postf);		
		div.className = cname;
	}
	function setActDis(sTab, act){
		setClassActDis(sTab, _postf_tab, act);
		setClassActDis(sTab, _postf_tab_center, act);
		setClassActDis(sTab, _postf_tab_left, act);
		setClassActDis(sTab, _postf_tab_right, act);			
	}
	function hideAllTabs(){
		for(var i=0;i<allTabs.length;++i){
			document.getElementById(allTabs[i]  + _postf_main).style.display = 'none';
			setActDis(allTabs[i], false);
		}
	}
	function showAllTabs(sTab){
		for(var i=0;i<allTabs.length;++i){
			var tab = allTabs[i] ;
			document.getElementById( tab + _postf_main).style.display = 'block';
			setActDis(tab, false);
		}
		setActDis(sTab, true);
	}
	function switchToTab(sTab){
		hideAllTabs();
		var cMain = document.getElementById(sTab + _postf_main);
		cMain.style.display = 'block';
		setActDis(sTab, true);		
	}
	

function getSection() 
{ 
     var searchString = document.location.search; 
     return searchString.substring(1); 
} 
 
function openSection() 
{ 
     section = getSection(); 
     switch( section ) 
     { 
          case "Executives": 
               switchToTab("Ex"); 
               break; 
          default: 
               switchToTab(currentTab); 
               break; 
     } 
}