var groupId = "showhide";
var groupHeader = groupId + "header"; 

function showHide(elementId){
	var element = document.getElementById(elementId);

	if(element != null){
		if(element.style.display == "none" || element.style.display == ""){
			element.style.display = "block";
		}else{
			element.style.display = "none";
		}
	}
}

function menuShowHide(elementNumber, pageUrl){
	var element = document.getElementById(groupId + elementNumber);
	var header = document.getElementById(groupHeader);

	if (document.location.pathname.indexOf(pageUrl.substring(2,pageUrl.length)) == -1) {
		document.location = pageUrl
	}else{
		if(element != null){
			var counter = 1;
			while(element != null){
				element.style.display = "none";
				element = document.getElementById(groupId + counter);
				counter++;
			}
			
			element = document.getElementById(groupId + elementNumber);

			element.style.display = "block";

			if (header != null) {
			    header.style.display = "none";
			}
		}
	}
}

function link(url) {
    window.location = url;
}