function $(val){
    try{
    return document.getElementById(val);
    }catch(e){return null;}
}


function openSubNav(nav, l2,span){
	var leftNavState;
	//alert(span);
	if($(nav).className == "nav")
	{
		$(nav).className = 'nav leftNavOpen';
		leftNavState = "no";
		$(l2).style.display='block';
	}
	else
	{
	    if($(nav).className != "disabled"){
		    $(nav).className = "nav";
		    leftNavState = "yes";
		    $(l2).style.display='none';
		}
	}
	
	try{
	if(leftNavState == "no")
	{
		//$(this).children('span').not('.completed').css({'background-image' : 'url("images/icons/iconArrowCollapsed.png")', 'margin-left' : '-12px' , 'padding-left' : '10px'});
		//$(nav).nextSibling.nextSibling.style.backgroundImage = 'url("images/icons/iconArrowCollapsed.png") no-repeat';		
		//$(nav).style.backgroundImage = 'url("images/icons/iconArrowCollapsed.png") no-repeat !important';
		try{
		//$(nav).children('span').not('.completed').css({'background-image' : 'url("images/icons/iconArrowCollapsed.png")'});
		$(span).style.backgroundImage='';
		$(span).style.backgroundImage='url(images/icons/iconArrowExpanded.png)';
		}catch(e){}
	}
	else
	{
		//$(this).children('span').not('.completed').css({'background-image' : 'url("images/icons/iconArrowExpanded.png")', 'margin-left' : '-12px' , 'padding-left' : '10px'});
		try{
		//$(nav).children('span').not('.completed').css({'background-image' : 'url("images/icons/iconArrowExpanded.png")'});
		$(span).style.backgroundImage='';
		$(span).style.backgroundImage='url(images/icons/iconArrowCollapsed.png)';
		}catch(e){}
		//$(nav).style.backgroundImage = 'url("images/icons/iconArrowExpanded.png") no-repeat !important';
	}
	}catch(e){}
	//$(nav).('div').slideToggle('fast');
	return true;
}