// <!--
//Função Abre Popup
function abrePopUp(url, nome, w, h){
		janela = window.open(url,window.name + 1,'toolbar=no,, left=300, top=100, location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=' + w + ' ,height=' + h + ',menubar=no');
}

//Função Mouse Over
function SwapImg(){
	for (i = 0; i < arguments.length; i+=3){
		if (document.images) {
			eval(arguments[i] + "document." + arguments[i+1] + ".src='" + arguments[i+2] + "'")
		}
	}
}

ns4 = (document.layers) ? 1:0;
dom = (document.getElementById) ? 1:0;
ie4 = (document.all && !dom) ? 1:0;
		
// inicia variaveis
comeco = ns4?"document.layers['":(dom)?"document.getElementById(\'":"document.all.";
fim = ns4?"']":(dom)?"\')":"";
fimCss = ns4?"']":(dom)?"\').style":".style";

function sobe(){
	obj = eval(comeco + "scroll" + fim);
	objCss = eval(comeco + "scroll" + fimCss);
	movendo = setInterval("subindo()",5);
}
function subindo(){
	if (parseInt(objCss.top) >= (-(parseInt(obj.offsetHeight)) + altura)) {
		objCss.top = parseInt(objCss.top) - 2
	}
}
function desce(){
	obj = eval(comeco + "scroll" + fim);
	objCss = eval(comeco + "scroll" + fimCss);
	movendo = setInterval("descendo()",5);
}
function descendo(){
	if (parseInt(objCss.top) <= 0) {
		objCss.top = parseInt(objCss.top) + 2
	}
}
function para(){
	clearInterval(movendo);
}
//-->