try{
	document.execCommand("BackgroundImageCache",false,true);
}catch(err){
}


//Menu section
/*menuHover = function() {
	if (!document.getElementsByTagName) return false;
	var menuEls = document.getElementById("segment-navigation").getElementsByTagName("li");
	for (var i=0; i<menuEls.length; i++) {
		menuEls[i].onmouseover=function() {
			this.className+=" menuhover";
		}
		menuEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" menuhover\\b"), "");
		}
	}
}
*/


//Menu flip to avoid the submenus going outside stage

function getElementPosition(elemID){
	var offsetTrail = document.getElementById(elemID);
	var offsetLeft = 0;
	var offsetTop = 0;
	
	while (offsetTrail){
		offsetLeft += offsetTrail.offsetLeft;
		offsetTop += offsetTrail.offsetTop;
		offsetTrail = offsetTrail.offsetParent;
	}
	
	if (navigator.userAgent.indexOf('Mac') != -1 && typeof document.body.leftMargin != 'undefined'){
		offsetLeft += document.body.leftMargin;
		offsetTop += document.body.topMargin;
	}
	
	return {left:offsetLeft,top:offsetTop};
}

function FlipSection()
{
	if(getElementPosition('par').left > 735)
	{

		var firstElement = getElementPosition('hho');
		var Pos = document.getElementById('par');
		var extraPixelToReduce = window.screen.availWidth - document.body.clientWidth;
		var newWidth = getElementPosition('par').left + Pos.offsetWidth - 276 - (firstElement.left - extraPixelToReduce) + 'px';
		document.getElementById('segment-par').style.left = newWidth;
	}
} 


var useSearchKeyword = false;

function onSearchSetFocus()
{
	var searchField = document.getElementById('global-search-field');
	searchField.style.color = 'black';
	
	if(searchField.value == 'Search')
	{
		searchField.value = '';
	}
	
	useSearchKeyword = true;
}

function onSearchLostFocus()
{
	var searchField = document.getElementById('global-search-field');
		
	if(searchField.value == '')
	{
		searchField.style.color = 'gray';
		searchField.value = 'Search';
		useSearchKeyword = false;
	}
}

function setSearchString()
{
	if(useSearchKeyword == false)
	{
		var searchField = document.getElementById('global-search-field');
		searchField.value = '';
	}
}
function hackersafe(){
	
	var firstElement = getElementPosition('hho');
	if(document.getElementById('hacker-safe')){
	document.getElementById('hacker-safe').style.left =  firstElement.left + 888 + 'px';
	document.getElementById('hacker-safe').style.display = 'block'
	}
}
function threatpop(){
	
	var firstElement = getElementPosition('hho');
	if(document.getElementById('legend-learnmore')){
	document.getElementById('legend-learnmore').style.left =  firstElement.left + 33 + 'px';
	}
}

function mastheadposition(itemf){
	
	var butt1ref = document.getElementById(itemf.substring(0,4));
	var leftVal = parseInt(document.getElementById(itemf).value) + parseInt(getElementPosition('hho').left) + parseInt('12')
	butt1ref.style.left = leftVal + 'px' ;
	
		

}


function bodyonload(){
	
	var leftVal = parseInt(document.getElementById('but1left').value) + parseInt(getElementPosition('hho').left) + parseInt('12');
	document.getElementById('but1').style.left = leftVal + 'px' ;
	
	hackersafe();
	threatpop();
	document.getElementById('mast_a1').style.color='#aa0828';
	document.getElementById('but1').style.display = 'block';
	
}

function outFunc(item){
item.style.backgroundImage = 'url(../media/images/masthead/buttons/masthead_button.gif)';
}

function overFunc(item){
if (document.images){
item.style.backgroundImage = 'url(../media/images/masthead/buttons/masthead_button_over.gif)';
}
}
function toresize(){
	hackersafe();
	threatpop();
}
addLoadEvent(bodyonload);
window.onresize = toresize;