// Pop-up Function

function popup(url,w,h,scroll){

	w = w + 18;
	h = h + 50;
	var ranNum= Math.round(Math.random()*100);
    
	var l = (screen.width-w)/2;
	var t = (screen.height-h)/2;
	var settings = 'width='+w+',height='+h+',screenX='+l+',screenY='+t+',left='+l+',top='+t+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
	window.open(url,ranNum, settings)
}

// Toggle Function
function toggle(theElem){
               document.getElementById(theElem).style.display = (document.getElementById(theElem).style.display == 'none')?'':'none';
     
}