function toggleLayer( whichLayer )
	{  
		var elem, vis;  
		if( document.getElementById ) // this is the way the standards work    
			elem = document.getElementById( whichLayer );  
		else if( document.all ) // this is the way old msie versions work      
			elem = document.all[whichLayer];  
		else if( document.layers ) // this is the way nn4 works    
			elem = document.layers[whichLayer];  
			vis = elem.style;    
		if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)    
			vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';  
			vis.display = (vis.display==''||vis.display=='block')?'none':'block';
	}
	
	function showhide(objname1,objname2,objname3,objname4)
	{
		if(document.getElementById(objname1).style.display == "none")
		{
			document.getElementById(objname1).style.display = "block";
			document.getElementById(objname2).style.display = "none";
			document.getElementById(objname3).style.display = "block";
			document.getElementById(objname4).style.display = "none";
		}
		else if (document.getElementById(objname1).style.display == "block")
		{
			document.getElementById(objname1).style.display = "none";
			document.getElementById(objname2).style.display = "block";
			document.getElementById(objname3).style.display = "none";
			document.getElementById(objname4).style.display = "block";
		}	
	}
	
	function showhideSmart(objname1,objname2,objname3,objname4)
	{
		if(document.getElementById(objname1).style.display == "none")
		{
			document.getElementById(objname1).style.display = "block";
			document.getElementById(objname2).style.display = "none";
			document.getElementById(objname3).style.display = "none";
			document.getElementById(objname4).style.display = "none";
		}
	}
	function highlightLink(linkname)
	{
		if(document.getElementById(linkname).style.color == '#007A9D')
		{
			document.getElementById(linkname).style.color = '#FFF';
			document.getElementById(linkname).style.background = '#007A9D';
		}
		else if (document.getElementById(linkname).style.color == '#FFF')
		{
			document.getElementById(linkname).style.color = '#007A9D';
			document.getElementById(linkname).style.background = '#FFF';
		}
	}
	
	function showhideExhibitors(objname1,objname2,objname3,objname4,objname5,objname6)
	{
		if(document.getElementById(objname1).style.display == "none")
		{
			document.getElementById(objname1).style.display = "block";
			document.getElementById(objname2).style.display = "none";
			document.getElementById(objname3).style.display = "none";
			document.getElementById(objname4).style.display = "none";
			document.getElementById(objname5).style.display = "none";
			document.getElementById(objname6).style.display = "none";
			
		}
		else if(document.getElementById(objname1).style.display == "block")
		{
			document.getElementById(objname1).style.display = "none";
		}
	}
	
	
	
	function showhide1(objname1,objname2)
	{
     	if(document.getElementById(objname1).style.display == "none")
		{
              document.getElementById(objname1).style.display = "block";
			  document.getElementById(objname2).style.display = "none";
		}
		else if (document.getElementById(objname1).style.display == "block")
		{
			  document.getElementById(objname1).style.display = "none";
			  document.getElementById(objname2).style.display = "block";
		}
		
	}
	
	function showhideSingle(objname1){
		if(document.getElementById(objname1).style.display == "none")
		{
            document.getElementById(objname1).style.display = "block";
		}
		else if (document.getElementById(objname1).style.display == "block")
		{
			document.getElementById(objname1).style.display = "none";
		}
	}
	
	function showhide3(objname1,objname2,objname3,objname4,objname5,objname6)
	{
     	if(document.getElementById(objname1).style.display == "none")
		{
              document.getElementById(objname1).style.display = "block";
			  document.getElementById(objname4).style.background = "#CDF2FE";
			  document.getElementById(objname2).style.display = "none";
			  document.getElementById(objname5).style.background = "";
			  document.getElementById(objname3).style.display = "none";
			  document.getElementById(objname6).style.background = "";
		}
		
	}
	function showhideBkgEdit(objname1,objname2)
	{
     	if(document.getElementById(objname1).style.display == "none")
		{
              document.getElementById(objname1).style.display = "block";
			  document.getElementById(objname2).style.display = "none";
		}
		
	}

	function OnChangeNBL(dropdown)
	{
		var myindex  = dropdown.selectedIndex;
   		var SelValue = dropdown.options[myindex].value;
   		var baseURL  = "newBookings.php?locChosen="+SelValue;
    	top.location.href = baseURL;
    
    	return true;
	}
	
	//Gallery code//
function startGallery() {
	var myGallery = new gallery($('myGallery'), {
	timed: true,
	showArrows: false,
	showCarousel: false,
	showInfopane: false
	});
	}
window.addEvent('domready', startGallery);