$hs(document).ready( function() {
	$hs.tabs();
	$hs('a.lightbox').lightBox();
	$hs.setHeight();
})

$hs.setHeight = function() {
	$hs('div#sidenav').height($hs('div#content_wrapepr').height());
}

//tabs
$hs.tabs = function() {
	var tabContainers = $hs('div.tab_panels > div.panel');
		tabContainers.hide().filter(':first').show();
		
		$hs('ul#tabs a').click(function () {
			tabContainers.hide();
			tabContainers.filter(this.hash).show();
			$hs('ul#tabs li').removeClass('selected');
			$hs(this).parent().addClass('selected');
			return false;
		}).filter(':first').click();	
}

function setupSearch(button, text){
var default_message = "Search site";
	btn = document.getElementById(button);
	txt = document.getElementById(text);
	txt.value = default_message;

	txt.onclick = function(){
		if(this.value==default_message){
			this.value='';
		}
	}
	
	txt.onblur = function(){
		if(this.value==''){
			this.value=default_message;
		}
	}

	btn.onclick = function(){
		txt = document.getElementById(text);  
		var val = trim(txt.value, ' ');
		if(val==default_message|val==""){
			alert("Please enter a search text");
			txt.value = '';
			txt.focus();
			return false;
		}
	}
}

function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}