function clearValue (obj, value) {
	if(value == 'Wonach suchen Sie?') {
		obj.value = '';
	}
}


function activateTab (tabName) {
	document.getElementById(tabName).style.display = "block";
	document.getElementById(tabName+"-image").src = "/redesign2009/images/tabs/" + tabName + "-on.png";
}
function deactivateTab (tabName, isActive) {
	document.getElementById(tabName).style.display = "none";
	if(!isActive) {
		document.getElementById(tabName+"-image").src = "/redesign2009/images/tabs/" + tabName + ".png";
	}
}

function activateFilter (filterName) {
	if(document.getElementById(filterName)) {
		document.getElementById(filterName).style.display = "block";
	}
}

function deactivateFilter (filterName) {
	if(document.getElementById(filterName)) {
		document.getElementById(filterName).style.display = "none";
	}
}