var wtTitle =  escape(document.title).substr(0,200);
var wt;
var wtFrom = document.location.toString();

function tagpage() {
	var myDocumentElements;
	
	if (document.all){
		myDocumentElements=document.all.tags("meta");
	}
	else if (document.documentElement){
		myDocumentElements=document.getElementsByTagName("meta");
	}
	if (typeof(myDocumentElements)!="undefined"){
		for (var i=1; i<=myDocumentElements.length; i++) {
			myMeta=myDocumentElements.item(i-1);
			if (myMeta.name) {
				if (myMeta.name.indexOf('wt')==0){
					wt=myMeta.content;
				}
			}
		}
	}
	addBeacon(document.getElementsByTagName('a'));
	addBeacon(document.getElementsByTagName('area'));
}

function addBeacon(o)
{
	var f = escape(wtFrom);
	if (f.indexOf('?wt=')>0) f = f.substr(0, f.indexOf('?wt='));

	for(var i=0;i < o.length;i++) {
		if (o[i].href.indexOf("http://") == 0) {
			o[i].onclick = function() { 
				this.savedhref = this.href;
				this.href='/cgi-bin/wti.cgi?wt='+wt+'&title='+wtTitle+'&label='+escape(this.href).substr(0,200)+'&from='+f+'&link='+escape(this.href);
				this.onmouseover = function () {
						this.href=this.savedhref;
						this.onmouseover = "";
				}
				return true;
			}
		}
	}	
}