function rewriteHead()
{
	//create title from xml
	var xD = loadXMLDoc("webpage.xml");
	var t = xD.getElementsByTagName("title");
	var tT = t[0].getAttribute("value");
	document.title = tT;
	
	//create search data from xml
	var sD = loadXMLDoc("search.xml");
	var d = sD.getElementsByTagName("description");
	document.getElementsByTagName("meta")[1].setAttribute("content",d[0].getAttribute("value"));
	var k = sD.getElementsByTagName("name");
	document.getElementsByTagName("meta")[2].setAttribute("content",k[0].getAttribute("value"));
}