// JavaScript Document

	function toggleLayer( whichLayer )
	{
	  var elem, vis;
	  if( document.getElementById )
		elem = document.getElementById( whichLayer );
	  else if( document.all )
		  elem = document.all[whichLayer];
	  else if( document.layers )
		elem = document.layers[whichLayer];
	  vis = elem.style;
	
	
		if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
		vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'':'none';
		vis.display = (vis.display=='')?'none':'';
	}
	
	function toggleSupplier( whichLayer )
	{
	
	var current = document.getElementById('suppselect');
	
	if (current.value == 1) {
		current.value = 2;
	} else {
		current.value = 1;
	}
	
		
	  var elem, vis;
	  if( document.getElementById )
		elem = document.getElementById( whichLayer );
	  else if( document.all )
		  elem = document.all[whichLayer];
	  else if( document.layers )
		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 toggleSupplierList( whichLayer )
	{
	
	  var elem, vis;
	  if( document.getElementById )
		elem = document.getElementById( whichLayer );
	  else if( document.all )
		  elem = document.all[whichLayer];
	  else if( document.layers )
		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 toggleDemo( whichLayer )
	{
	  var elem, vis;
	  if( document.getElementById )
		elem = document.getElementById( whichLayer );
	  else if( document.all )
		  elem = document.all[whichLayer];
	  else if( document.layers )
		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';
	}