function menupopup(url)
 {
   qsfmenu = window.open (url, "qsfmenu", "menubar=0,resizable=0,scrollbars=1,width=430,height=500"); 
 } 
 
function formpopup(url)
 {
   qsfmenu = window.open (url, "qsfmenu", "menubar=0,resizable=0,scrollbars=0,width=355,height=590"); 
 }  

function winpopup()
 {
   qsfcomp = window.open ('win_popup.php', "qsfcomp", "menubar=0,resizable=0,width=351,height=600"); 
 } 
 

var preloadFlag = true;

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}