var defWidth=780;
var defHeight=315;

function InitLayers() {

	if (navigator.userAgent.indexOf('MSIE 4')!=-1) {
		Mostrar('contactus,main,company,candidates');
		Mostrar('main,company,candidates,contactus');
	} else {
		Mostrar('main,company,candidates,contactus');
	}
}

function Mostrar(listLayers) {

	var layers=new Array();
	var i=0;
	
	layers=listLayers.split(',');

	if (navigator.userAgent.indexOf('MSIE 4')==-1) {
	
		for (i = 1; i < layers.length; i++) {
			SetSize(getObj('cont_'+layers[i]),1,1);
		}
		SetSize(getObj('cont_'+layers[0]),defWidth,defHeight);

	} else {

		for (i = 1; i < layers.length; i++) {
			getObj('cont_'+layers[i]).style.visibility='hidden';
			SetSize(getObj('cont_'+layers[i]),1,1);
		}
		getObj('cont_'+layers[0]).style.visibility='visible';
		SetSize(getObj('cont_'+layers[0]),defWidth,defHeight);
	
	}
}

function SetSize(objLayer,w,h) {
	objLayer.style.posWidth = w;
	objLayer.style.posHeight = h;
	objLayer.style.width =  w+"px";
	objLayer.style.height = h+"px";
}

function getObj(id) {
	if (document.getElementById) {
		return document.getElementById(id);
		}
	else if (document.all) {
		return document.all[id];
		}
	else {
		return document.all[id];
	}
}