//********************************************GLOBAIS DO NOT REMOVE**********************************//
function include(file){

	var fileref=document.createElement('script');
	var head = $n("head")[0];
	var els = head.getElementsByTagName("script");
	for(i=0;i<els.length;i++) {
		var cEl=els[i].src;
		if(cEl.search(file)!=-1){
			try{
			head.removeChild(els[i]);
			}catch(e){alert("CORE:" + e.message);
			}
		}
	}
	fileref.setAttribute("type","text/javascript");
	fileref.setAttribute("language","javascript");
	fileref.setAttribute("src",file);
	
	try{
		if (typeof fileref!="undefined") head.appendChild(fileref);
		return true;
	}catch(e){
		alert(e);
	}
}

function $(elmId){
	var elm;
	elm=document.getElementById(elmId);
	return (elm) ?  elm : null;
}
function $t(tgName){
	var elm;
	elem=document.getElementsByTagName(tgName);
	   return (elem) ?  elem : null;
}
function $n(e){
	var elm=document.getElementsByTagName(e);
	return (elm) ?  elm : null;
}
function preloadImages(arr,folder){
	for(i=0;i<arr.length;i++){
		var img=new Image();
		img.src=folder + arr[i];
	}
}
//********************************************END**********************************//