function QueryString(variavel){
	qs=new Array();
	variaveis=location.search.replace(/\x3F/,"").replace(/\x2B/g," ").split("&");
	if(variaveis!=""){
	    for(i=0;i<variaveis.length;i++){
	        nvar=variaveis[i].split("=");
	        qs[nvar[0]]=unescape(nvar[1]);
	    }
	}
	return qs[variavel];
}
function isEmpty(obj) {
  if ( (obj == null)||(obj =='')||(obj =='undefined') ) {
  	return true;
  } 
  return false;
}

function bmBrowser(title, url) {    
    if (isEmpty(title)) {
    	title = document.title;
    }
    if (isEmpty(url)) {
    	url = window.location;
    }
	if (document.all) {
	   window.external.AddFavorite(url, title); 
	}
	else {
	  window.sidebar.addPanel(title, url,'');
	}	  
}