function openPop(imageName,alt,posLeft,posTop) {
newWindow = window.open("","newWindow","width=400,height=400,left="+posLeft+",top="+posTop+", scrollbars=yes");
newWindow.document.open();
newWindow.document.write(''+alt+'');
newWindow.document.write('
');
newWindow.document.write('');
newWindow.document.close();
newWindow.focus();
}