// open new window
function openWin(url,winName,opts) {
	
	if(!opts) opts = "width=600,height=400,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=1";

	// if screensize bigger than 1024x768 than adjust left and top position
	if (screen.width > 800) { wleft = 30;	} else { wleft = 10 }
	if (screen.height > 600) { wtop = 90;	} else { wtop = 10 }
	opts = "left="+wleft+",top="+wtop+","+opts;

	if(!winName) winName = "blank";
	win = window.open(url,winName,opts);
	win.focus();
}