// füllt den ajax div //
function holer_ajax(layer , ziel)
{

	var xmlHttp = false;
	// Internet Explorer
	try {
		xmlHttp  = new ActiveXObject("Msxml2.XMLHTTP");
	} catch(e) {
		try {
			xmlHttp  = new ActiveXObject("Microsoft.XMLHTTP");
		} catch(e) {
			xmlHttp  = false;
		}
	}
	// Mozilla, Opera und Safari
	if (!xmlHttp  && typeof XMLHttpRequest != 'undefined') {
		xmlHttp = new XMLHttpRequest();
	}
	if (xmlHttp) {
		xmlHttp.open('GET', ziel, true);
		xmlHttp.onreadystatechange = function () {
			if (xmlHttp.readyState == 4) {
				document.getElementById(layer).innerHTML =  
	xmlHttp.responseText;
			}
		};
		xmlHttp.send(null);
	}
}
// ajax suche ende //




// Produktsuche
function research()
{
	holer_ajax('suche','inc/tpl.suche.php?surface='+encodeURIComponent(document.getElementById('surface').value)+'&processing='+encodeURIComponent(document.getElementById('processing').value)+'&format='+encodeURIComponent(document.getElementById('format').value));
}


// 
function checkSuchForm(formular)
{
	var msg = "";
	if(document.getElementById('surface').value == "" && document.getElementById('processing').value == "" && document.getElementById('format').value == "")
	{
		alert("Bitte wählen Sie mindestens ein Suchkriterium für die Produktsuche!");
		return false;
	}
}