function showtext() {
	if(document.getElementById)
	document.getElementById("content_home_text").style.visibility = "visible";
}

function showdesign() {
	if(document.getElementById)
	document.getElementById("content_home_design").style.visibility = "visible";
}

function showweb() {
	if(document.getElementById)
	document.getElementById("content_home_web").style.visibility = "visible";
}

function showtitel() {
	if(document.getElementById)
	document.getElementById("content_home_titel").style.visibility = "visible";
}

function hidetitel() {
	if(document.getElementById)
	document.getElementById("content_home_titel").style.visibility = "hidden";
}

function hidetext() {
	if(document.getElementById)
	document.getElementById("content_home_text").style.visibility = "hidden";
}

function hidedesign() {
	if(document.getElementById)
	document.getElementById("content_home_design").style.visibility = "hidden";
}

function hideweb() {
	if(document.getElementById)
	document.getElementById("content_home_web").style.visibility = "hidden";
}