function postForm2(){
		document.getElementById("search_search").submit();
	}
	
	var currentbutton="btnNetworks";
	
	function toggleAll(){
		var tmpBool = true;
		var formName = "search_search";
		var objName = "network";
		
		for (i=0;i<5;i++){
			if (document[formName][objName+i].value != "" && document[formName][objName+i].checked==false){
				 tmpBool = false;
			}
		}

		for (i=0;i<5;i++){
			if (document[formName][objName+i].value == ""){
				document[formName][objName+i].checked=tmpBool;
				document[formName][objName+i].disabled = tmpBool;
				break;
			}
		}
	}
	
	function toggleNetwork(){
		var tmpBool = false;
		var formName = "search_search";
		var objName = "network";
			
		for (i=0;i<5;i++){
			if (document[formName][objName+i].value == "" && document[formName][objName+i].checked==true){
				document[formName][objName+i].disabled = true;
				tmpBool = true;
				break;
			}
		}

		if(tmpBool == true){
			for (i=0;i<5;i++){
				if (document[formName][objName+i].value != ""){
					 document[formName][objName+i].checked=true;
				}
			}				
		}
	}

	function toggle(id,buttonId){
		var o=document.getElementById(id);
		var m=document.getElementById("web");
		
		var n=buttonId;
		
		document.getElementById(currentbutton).className="prefLink";
		currentbutton=buttonId;
		document.getElementById(currentbutton).className="prefLink highlight";
	
		if(n=="btnNetworks"){
			if (o.className=="networks"){
				o.className ="networks";
				m.className ="networks hidden";
			} else {
				o.className = "networks";
				m.className ="networks hidden";
			}
		} else {
			if (o.className=="networks"){
				o.className = "networks hidden";
				m.className ="networks";
			} else {
				o.className = "networks hidden";
				m.className ="networks";
			}	
		}
	}
	
	function toggleLayer(whichLayer){
		if (document.getElementById){
			// standard
			var style2 = document.getElementById(whichLayer).style;
			style2.display = style2.display? "":"block";
		}else if (document.all){
			// old msie versions
			var style2 = document.all[whichLayer].style;
			style2.display = style2.display? "":"block";
		}else if (document.layers){
			// nn4 works
			var style2 = document.layers[whichLayer].style;
			style2.display = style2.display? "":"block";
		}
	}
	
	function showLayer(whichLayer){
		if (document.getElementById){
			// standard
			document.getElementById(whichLayer).style.display="block";
		}else if (document.all){
			// old msie versions
			document.all[whichLayer].style.display="block";
		}else if (document.layers){
			// nn4 works
			document.layers[whichLayer].style.display="block";
		}
	}
	
	function hideLayer(whichLayer){
		if (document.getElementById){
			// standard
			document.getElementById(whichLayer).style.display="";
		}else if (document.all){
			// old msie versions
			document.all[whichLayer].style.display="";
		}else if (document.layers){
			// nn4 works
			document.layers[whichLayer].style.display="";
		}
	}