function popupWindow(url) {

  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,resizable=yes,copyhistory=no,width=620,height=620,screenX=150,screenY=150,top=20,left=40')

}
function popupLearnMoreWindow(url) {
	if(url=='' || typeof(url)=='undefined'){
		url='/info/learn_more.php';
	}
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=620,height=620,screenX=150,screenY=150,top=20,left=40')

}

function show_detail(obj){
	o=document.getElementById(obj).style.display='';
}
function hid_detail(obj){
	o=document.getElementById(obj).style.display='none';
}