function getXmlHttpRequestObject() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		alert("Your Browser Sucks!\nIt's about time to upgrade don't you think?");
	}
}

function findPos(obj)
{
    var curleft = curtop = 0;
    if (obj.offsetParent) {
        do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
        } while (obj = obj.offsetParent);
    }
   return [curleft, curtop]; 
}

var searchReq = getXmlHttpRequestObject();

function searchSuggest() {
	if (searchReq.readyState == 4 || searchReq.readyState == 0) 
	{
        var str = escape(document.getElementById('term').value);	
        var url="/linked/aspx/tags.aspx?q="+str;
        searchReq.open("GET",url,true);
        searchReq.onreadystatechange=handleSearchSuggest;
        searchReq.send(null);
	}		
}

function handleSearchSuggest() {
	if (searchReq.readyState == 4) {
        var ss = document.getElementById('search_suggest');
        var ts = findPos(document.getElementById('term'));
		ss.innerHTML = '';
		ss.style.left = ts[0] +"px";
		ss.style.top = ts[1] +22 + "px";
//		alert(ts[1]);
        xmlDoc=searchReq.responseXML.documentElement.getElementsByTagName("tag");
		for(i=0; i <xmlDoc.length; i++) 
		{
//Build our element string.  This is cleaner using the DOM, but IE doesn't support dynamically added attributes.
			var suggest = '<div onmouseover="javascript:suggestOver(this);" ';
			suggest += 'onmouseout="javascript:suggestOut(this);" ';
			suggest += 'onclick="javascript:setSearch(this.innerHTML);" ';
			suggest += 'class="suggest_link">' + xmlDoc[i].firstChild.nodeValue + '</div>';
			ss.innerHTML += suggest;
		}
	}
}

//Mouse over function
function suggestOver(div_value) {
	div_value.className = 'suggest_link_over';
}
//Mouse out function
function suggestOut(div_value) {
	div_value.className = 'suggest_link';
}
//Click function
function setSearch(value) {
	document.getElementById('term').value = value;
	document.getElementById('search_suggest').innerHTML = '';
}