function Focus_QuickSearch(){
	if(document.getElementById("search_input").value == "Suchbegriff..."){
		document.getElementById("search_input").value = '';
	}
}

function Blur_QuickSearch(){
	if(document.getElementById("search_input").value == ""){
		document.getElementById("search_input").value = 'Suchbegriff...';
	}
}