function validate(elem){
if((elem.value != undefined) && (elem.value != "")) return true;
else return false;
}
var wOpened=0;
function wOpen(URLStr,width,height,left,top){
if(wOpened)
{
if(!wOpened.closed) wOpened.close();
}
wOpened = open('', 'wOpened', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
doc=wOpened.document;
doc.write('IMAGE