// JavaScript Document
function SwitchContent(obj){
	if(document.getElementById){
		var el = document.getElementById(obj);
		var ar = document.getElementById("bloco_escondido").getElementsByTagName("span");
		
		if (el.style.display == "block") {
			el.style.display = "none";
		}
		else {
			for (var i=0; i<ar.length; i++){
				if (ar[i].className.search(/\bcontentblock\b/) != -1) {
					ar[i].style.display = "none";}
					}
			el.style.display = "block";
		}
	}
}