window.onerror = null
function sobre() {
	var w = 300
	var h = 150
	if (document.all) { //if ie5
		LeftPosition=(screen.width)?(screen.width-w)/2:100;
		TopPosition=(screen.height)?(screen.height-h)/2:100;
	} else {
		LeftPosition=(screen.width)?(screen.width-w)/2:100;
		TopPosition=(screen.height)?(screen.height-h)/2:100;
	}

	//abre a janela
	window.open("sobre.asp","sobre",'width=300,height=150,top='+TopPosition+',left='+LeftPosition+',scrollbars=0,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no');
}

function setDestaque(oTR, cor) {
	if (!cor) cor = "#EEEEFF"
	oTR.style.backgroundColor = cor
}

function unsetDestaque(oTR, cor) {
	if (!cor) cor = "white"
	oTR.style.backgroundColor = cor
}


function showProps(obj, obj_name) {
	var result = ""
	for (var i in obj)
		result += obj_name + "." + i + " = " + obj[i] + "\n"
	return result
}