function mouseOver(event){
	if (event.target){
		element = event.target;
	} else if (event.srcElement){
		element = event.srcElement;
	}
	element.src = '/layout/' + element.id + '_on.png';
}

function mouseOut(event){
	if (event.target){
		element = event.target;
	} else if (event.srcElement){
		element = event.srcElement;
	}
	element.src = '/layout/' + element.id + '_off.png';
}

function initTabNav(){
	var tabs = new Array('home' , 'gooroo' , 'case_studies' , 'news' , 'partner' , 'about' , 'contact');
	for(i=0; i<tabs.length; i++){
		element = document.getElementById('tab_' + tabs[i]);
		//alert(element.parentNode.tagName);
		if(element.parentNode.tagName == 'A'){
			if (element.addEventListener){
			  element.addEventListener('mouseover', mouseOver, false); 
			  element.addEventListener('mouseout', mouseOut, false); 
			} else if (element.attachEvent){
			  element.attachEvent('onmouseover', mouseOver);
			  element.attachEvent('onmouseout', mouseOut);
			}
		}
	}
}

function setImgHeader(image_path){
	var alt_text = document.getElementById('pageheading').innerHTML;
	document.getElementById('pageheading').innerHTML = '<a href="/gooroolive_demo.html"><img src="' + image_path + '" alt="' + alt_text + '" /></a>'
	document.getElementById('pageheading').className = 'imghead';
}

function initGoogleSearch(){
	var googlejssearch = '<form action="/search.html" id="cse-search-box">';
	googlejssearch += '<input type="hidden" name="cx" value="004809335101236696420:loam8dmighe" />';
	googlejssearch += '<input type="hidden" name="cof" value="FORID:11" />';
	googlejssearch += '<input type="hidden" name="ie" value="UTF-8" />';
	googlejssearch += '<span id="searchbg"><input type="text" name="q" id="search" value="" /></span>';
	googlejssearch += '</form>';
	
	document.getElementById('topsearch').innerHTML = googlejssearch;
}