// multiple onload event handler
	function addLoadEvent(func) { 
		var oldonload = window.onload; 
		if (typeof window.onload != 'function') { 
			window.onload = func; 
		} else { 
			window.onload = function() { 
				if (oldonload) {oldonload();} 
			func(); 
			} 
		} 
	}
	
	// Hide/Show results toggle
	function toggle(divId) {
		var divArray = document.getElementsByTagName("div");
		for(i = 0; i < divArray.length; i++){
			if(divArray[i].id == divId){
				if(divArray[i].style.display != 'none'){
					divArray[i].style.display = 'none';
				}else{
					divArray[i].style.display = '';
				}
			}
		}
	}