Wait until popup window finishes loading the execute javascript -


i have popup window displays multiple images, amount of images can change depending on user does. these images take 1.5 seconds each load can change depending on machines speed.

i need way wait popup finish loading images , execute script, what's best way of doing this?

edit:

popup.document.body.setattribute("onload","alert('hello');");  //wait popup finish loading popup.onload = function() {     popup.alert("loaded"); };

none of above working...

edit 2 works diodeus. here code:

popup.document.write(             '<!doctype html public "-//w3c//dtd html 4.01//en" "http://www.w3.org/tr/html4/strict.dtd">'+             '<html><head>'+             '<script type="text/javascript">'+             'var = '+doc('print_container2').getelementsbytagname('img').length+'; var c = 0;'+             'function count_loaded() {'+                 'if (c == i) {'+                     'document.getelementbyid("print_container").style.display = "block";document.getelementbyid("loading").style.display = "none";'+                     'focus();print();close();'+                 '}'+             '}'+             '</script>'+             '  <link rel="stylesheet" href="css/css.css">'+             '</head><body><h1 id="loading">loading... please wait...</h1>'+             '</body></html>'         );

here images:

$hires .= "<img onload=\"c++;count_loaded();\" id=\"l".$key."_".$key2."_".$i."\" data-quantity=\"".$value2['quantity']."\" onclick=\"disable_print(this,'print_container')\" src=\"".$_session['root_dir']."php/generateimage.php?imgname=".$_session['root_path']."data/images/".$value2['location']."&restraint=".$restraint."\" class=\"\" />";

see onload event.


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