function clickthrough_Init() {
var str = new String();
var reMailTo = new RegExp('mailto:','i');
var reJavaScript = new RegExp('javascript:','i');
var reHash = new RegExp('#','i');
	if (document.getElementsByTagName) {
		var arrLinks, aLink
		arrLinks = document.getElementsByTagName('A');
		for (var i=0; i < arrLinks.length; i++) {
			aLink = arrLinks[i];
			str = aLink.href;
			if ((str.search(reMailTo) == -1) && (str.search(reJavaScript) == -1) && (str.search(reHash) == -1)) {
				aLink.href='clickthrough.asp?txt=' + escape(aLink.innerText) + '&url=' + escape(str);	
			}
		}
	}
}