var sStatus = function(f)
{
	var s = f.value;
	if(s == 'Search the site...') {
		f.value = '';
		f.style.color = "#333";
	} else if(s == '')
	{
		f.value = "Search the site...";
		f.style.color = "#999";
	}
}

var nav_list = ['home','blog','planning','events','heritage','people','gethere','wat_tyler_centre','education'];
var pre_load = [];

var init_nav = function()
{
	for(var i=0;i<nav_list.length;i++)
	{
		if($(nav_list[i]))
		{
			pre_load[i] = new Image();
			pre_load[i].src = site_url + 'images/' + nav_list[i] + '_over.gif';
			$(nav_list[i]).onmouseover = function()
			{
				$(this.id + '_img').src = site_url + "images/" + this.id + "_over.gif";
			}
			$(nav_list[i]).onmouseout = function()
			{
				$(this.id + '_img').src = site_url + "images/" + this.id + "_off.gif";
			}
		}
	}
}

// things to do when the page has loaded

if (window.addEventListener) { 
	window.addEventListener('load', init_nav, false); 
} else if (window.attachEvent) { 
	window.attachEvent('onload', init_nav); 
}