//Center the pop up window
var width = '565'; 
var height = '435';
var LeftPosition = (screen.width) ? (screen.width-width)/2 : 200;
var TopPosition = (screen.height) ? (screen.height-height)/2 : 150;
 
//set the parameters
 
var strSettings = 'scrollbars=yes,resizable=no,toolbar=no, menubar=no,status=no,location=no,left='+
 LeftPosition+',top='+TopPosition+',height=' +  height + ',width=' + width;
 
function popDetails(URL) {
 NewWindow = window.open(URL, "DetailsWindow", strSettings);
}