function pop_up_picture(imageType,imageName,imageWidth,imageHeight,alt,posLeft,posTop) {
	screenh = window.screen.height;
	screenw = window.screen.width;
	posLeft = (screenw-imageWidth)/2;
	posTop = (screenh-imageHeight)/2;
	theWindow = window.open("","theWindow","width="+imageWidth+",height="+imageHeight+",scrollbars=no,left="+posLeft+",top="+posTop);
	theWindow.document.open();
	theWindow.document.write('<html><title>'+alt+'</title><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">');
	theWindow.document.write('<img src="'+imageName+'" width='+imageWidth+' height='+imageHeight+' alt="'+alt+'" onClick="javascript:window.self.close();" galleryimg="no">');
	theWindow.document.write('</body></html>');
	theWindow.document.close();
	theWindow.focus()
}

function popup(u,w,h){
	var ww=640;
	var wh=480;
	if (document.all || document.layers) {
	ww = screen.availWidth;
	wh = screen.availHeight;
	}
	var pl = (ww-w)/2, pt = (wh-h)/2;
	var a = "toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=" + w + ",height=" + h + ",left="+pl+",top="+pt;
	window.open(u,'',a);
}
function popupform(fm, wn){
	if (!window.focus){
	return true;
	}else{
	var w=300,h=150,ww=640,wh=480;
	if (document.all || document.layers) {
	ww = screen.availWidth;
	wh = screen.availHeight;
	}
	var pl = (ww-w)/2, pt = (wh-h)/2;
	var a = "toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=" + w + ",height=" + h + ",left="+pl+",top="+pt;
	pw = window.open('',wn,a);
	pw.focus();
	fm.target=wn;
	}
	return true;
}