function win(url,width,height) {
	extra="";
	if(width!="") {
		extra+=",width="+((width*1)+0);
	}if(height!="") {
		extra+=",height="+((height*1)+0);
	}
	url="/image/?src="+url+"&width="+width+"&height="+height;
	window.open (url,"mywindow","location=0,status=0,toolbar=0,menubar=0,resizable=1,scrollbars=0"+extra); 
}