function showLayer(id){
	var layerObj=$(id);
	if(layerObj.style.display==''){
		layerObj.style.display='none';
	}else{
		layerObj.style.display='';
	}
}

function sendUrl(url){
	window.location.href=attachRand(url);
}

function attachRand(url){
	if(url.indexOf("?")>=0){
		url=url+"&coco="+getRandom();
	}else{
		url=url+"?coco="+getRandom();
	}
	return url;
}

function getRandom(){
	return Math.round(Math.random()*1000);
}

function fTrim(str)
{
	str=str.replace(/(^\s*)|(\s*$)/g, ""); 
	return str;
}

function cUrl()
{
	return this.location.href;
}