/* ---------- common library ---------- */

function puWindow(url,nam,wid,hei,prop){
	var offset = 100;
	var w = window.screen.width;
	var h = window.screen.height;
	var l = (w-wid)/2;
	var t = ((h-hei)/2)-offset;
	sty = prop;
	sty+= ",width=";
	sty+= wid;
	sty+= ",height=";
	sty+= hei;
	sty+= ",left=";
	sty+= l;
	sty+= ",top=";
	sty+= t;
	window.open(url,nam,sty);
}

function popup0(url,nam,wid,hei){
	prop = "status=yes,scrollbars=no,resizable=yes";
	puWindow(url,nam,wid,hei,prop);
	}

function popup1(url,nam,wid,hei){
	prop = "status=yes,scrollbars=yes,resizable=yes";
	puWindow(url,nam,wid,hei,prop);
	}