var tmp="";
function checkext(file){
if(file=="") return false;
var myArray =file.split('.'); 
var ext=(myArray[myArray.length-1]);
valid=new Array("jpg","JPG","gif","GIF","jpeg","JPEG");
		for(i=0;i<valid.length;i++){
				if(valid[i]==ext)	return true;
		}		
return false;		
}

function isEmail(f)
{
	if ((f == "") || (f.indexOf("@") == -1) || (f.indexOf(".") == -1)) 
		return false;
	else
		return true;
}

	function del(frm){
		for(i=0;i<frm.prod.length;i++){
			if(frm.prod[i].checked){
			tmp+=frm.prod[i].value+"|";
			}
		}
		if(frm.prod.checked) tmp=frm.prod.value;
		//alert(frm.prod.value);
	return tmp;
	}
	
var win= null;
function NewWindow(mypage,myname,w,h,scroll){
var winl = (screen.width-w)/2;
var wint = (screen.height-h)/2;
var settings ='height='+h+',';
settings +='width='+w+',';
settings +='top='+wint+',';
settings +='left='+winl+',';
settings +='scrollbars='+scroll+',';
settings +='resizable=yes';
win=window.open(mypage,myname,settings);
if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

function MM_openBrWindow(theURL,winName,features) {
window.open(theURL,winName,features);
}