function openPopup(url,w,h){	
    var thisWindow =open(url, "help", "width=" + w + ",height=" + h + ",scrollbars=yes,status=no,toolbar=no,menubar=no,resizable=yes,screenX=20,screenY=20");
	thisWindow.focus();
}

// From helpMenu.jsp
function openHelpPopup(url) {

 // Determine screen width
 var width = screen.width;
 // Determine left position of the Help popup in relative to the upper right corner
 var left_position = width - 690;

 popUp=open(url,'Help','left='+left_position+',top=0,width=680,height=720,scrollbars=yes,status=no,toolbar=no,menubar=no,resizable=yes');
 popUp.focus();
}