function switchVis(switchclassid){

	if (document.getElementById(switchclassid) != null) {
		var switchelement = document.getElementById(switchclassid).style;
		if (switchelement.display == "block"){
			switchelement.display = "none";
		} else{
			switchelement.display = "block";
		}
		return false;
	} else {
		return true;
	}
}