function init(){
	optimizeHightIntro();
}

function optimizeHightIntro(){
	var elementIntro = document.getElementById("intro");
	var elementNavigation = document.getElementById("navigation");
	if(elementIntro && elementNavigation){
		var introHeight = elementIntro.offsetHeight-30;
		var navigationHeight = elementNavigation.offsetHeight;
		if(introHeight < navigationHeight){
			elementIntro.style.height = navigationHeight + 20 + "px";
		}
		
	}
	
}

function showTab(element, anzahl){
	var tabInactive = "tabContent"+element;
	var elementActive = document.getElementById(tabInactive);
	elementActive.style.display= "block";
	for(i=1;i<= anzahl;i++){
		var tabInactive = "tabContent"+i;
		var elementInactive = document.getElementById(tabInactive);
		if(elementInactive && i == element){
			elementInactive.style.display= "none";
		}
	}
}