//Gets the browser specific XmlHttpRequest Object
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?");
	}
}

//Our XmlHttpRequest object to get the auto suggest
var searchReq = getXmlHttpRequestObject();

//Called from keyup on the search textbox.
//Starts the AJAX request.
function searchSuggest() 
{
	if (document.getElementById('txtSearch').value != "")
	{
		document.getElementById('search_suggest').style.display ="block";
	}
	else
	{
		document.getElementById('search_suggest').style.display="none";
	}
	
	if (searchReq.readyState == 4 || searchReq.readyState == 0) 
	{
		var str = escape(document.getElementById('txtSearch').value);
		searchReq.open("GET", 'searchSuggest.php?search=' + str, true);
		searchReq.onreadystatechange = handleSearchSuggest; 
		searchReq.send(null);
	}
}

//Called when the AJAX response is returned.
function handleSearchSuggest() 
{
	if (searchReq.readyState == 4) 
	{
		var ss = document.getElementById('search_suggest')
		ss.innerHTML = '';
		var str = searchReq.responseText.split("\n");
		for(i=0; i < str.length - 1; 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);" onmouseout="javascript:suggestOut(this);" ';
			suggest += 'onclick="javascript:setSearch(this.innerHTML);" class="suggest_link">' + str[i] + '</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('txtSearch').value = value;
	document.getElementById('search_suggest').innerHTML = '';
	//document.forms['quick_find'].submit();
}