function popupWindowURL(url, winname,  w, h, menu, resize, scroll, x, y) {
	
	if (winname == null) winname = "newWindow";
	if (w == null) w = 600;
	if (h == null) h = 600;
	if (resize == null) resize = 1;
	
	menutype   = "nomenubar";
	resizetype = "noresizable";
	scrolltype = "noscrollbars";
	if (menu) menutype = "menubar";
	if (resize) resizetype = "resizable";
	if (scroll) scrolltype = "scrollbars";
	
	if (x == null || y == null) {
		cwin=window.open(url,winname,"status," + menutype + "," + scrolltype + "," + resizetype + ",width=" + w + ",height=" + h);
	}
	else {
		cwin=window.open(url,winname,"top=" + y + ",left=" + x + ",screenX=" + x + ",screenY=" + y + "," + "status," + menutype + "," + scrolltype + "," + resizetype + ",width=" + w + ",height=" + h);
	}
	if (!cwin.opener) cwin.opener=self;
	cwin.focus();
	
	return true;
}

function checkAll(field)
{
for (i = 0; i < field.length; i++)
	field[i].checked = true ;
}

function uncheckAll(field)
{
for (i = 0; i < field.length; i++)
	field[i].checked = false ;
}

//====================================================================================================
//	Function Name	:	checkFileExt(file)
//----------------------------------------------------------------------------------------------------
function checkFileExt(file)
{
	var filelength = parseInt(file.length) - 3;
	var fileext = file.substring(filelength,filelength + 3);
	if(fileext.toLowerCase() != "gif" && fileext.toLowerCase() != "jpg")
	{
		return false;
	}
	else
	{
		return true;
	}
}