function PosicionaJanela(width,height) {
	var blnCentraliza = (arguments.length>2)?arguments[2]:true;
	if (blnCentraliza) window.moveTo((screen.availWidth-width)/2,(screen.availHeight-height)/2);
	window.resizeTo(width,height+40);
	window.focus()
}

function FechaJanela() {
	Fecha();
}

function Fecha() {
	try { if (opener) if (!opener.closed) opener.focus(); }
	finally { top.close(); }
}

function AbrePropriedades(url, largura, altura) {
	window.showModelessDialog(url, window, 
		"scroll:no; help:no; resizable:no; status:no; dialogWidth:" + largura + "; dialogHeight:" + altura + ";");
}

var wArr = new Array();
function window.onunload() {
	for(i=0;i<wArr.length;i++)
		if (!wArr[i].closed) wArr[i].close();
}
//function window.onbeforeunload(){
//	try{if(top.opener)if(!top.opener.closed)top.opener.focus();}
//	catch(e){}
//}