function AlternarAbas(abaClicadaID, src)
{	
    for (i=0;i<arAbas.length;i++){
	    aba = document.getElementById(arAbas[i].abaID);
	    aba.className = 'ed_menu';
    }
    aba = document.getElementById(abaClicadaID);
    aba.className = 'ed_menu-sel';
}

function stAba(abaID, abaSRC){
	this.abaID = abaID;
}

function getURLVar(urlVarName) {
	var urlHalves = String(document.location).split('?');
	var urlVarValue = '';
	if(urlHalves[1]){
		//load all the name/value pairs into an array 
		var urlVars = urlHalves[1].split('&');
		//loop over the list, and find the specified url variable 
		for(i=0; i<=(urlVars.length); i++){
			if(urlVars[i]){
				//load the name/value pair into an array 
				var urlVarPair = urlVars[i].split('=');
				if (urlVarPair[0] && urlVarPair[0] == urlVarName) {
					//I found a variable that matches, load it's value into the return variable 
					urlVarValue = urlVarPair[1];
				}
			}
		}
	}
	return urlVarValue;   
}