function ieko_clickcounter(el) {
	new Ajax.Request('/writeClick', {
		parameters: {
			fromUrl: document.URL,
			toUrl: el.href
		}
	});
}
window.onload = function()
 	{
	var urlIndex = document.URL.indexOf("/", 7);
	if (urlIndex == -1)		urlIndex = document.URL.length;
	var url = document.URL.substr(0, urlIndex);
	var links = document.getElementsByTagName('a');
	for(var i=0; i<links.length; i++) {
		var link = links[i]; 
		if (link.href.substr(0,7) == "http://") {
			if (link.href.substr(0, urlIndex) != url) {
				// Referenz auf eigene Homepage -> wird nicht gezählt
				link.onclick = function() {
					ieko_clickcounter(this);
				} 
			}
		}
	}
}