/**
abre janela no centro
*/
function openForm(url,nome,w,h){
	x = (document.body.clientWidth - w)/2, y = (window.screen.height - h)/2;
	if (screen) {
		y = (screen.availHeight - h)/2;
		x = (screen.availWidth - w)/2;
	}
	window.open(url, nome,'screenX='+x+',screenY='+y+',top='+y+',left='+x+'status=0,location=0,menubar=0,scrollbars=0,resizable=0,toolbar=no,width='+w+',height='+h,true);
}

/**
abre janela no centro com scroll
*/
function openWindow(url,nome,w,h){
	x = (document.body.clientWidth - w)/2, y = (window.screen.height - h)/2;
	if (screen) {
		y = (screen.availHeight - h)/2;
		x = (screen.availWidth - w)/2;
	}
	window.open(url, nome,'screenX='+x+',screenY='+y+',top='+y+',left='+x+'status=0,location=0,menubar=0,scrollbars=1,resizable=1,toolbar=no,width='+w+',height='+h,true);
}