var arImgCache = new Array();

for(var i=0; i<9; i++){
  arImgCache[i] = new Image();
}

arImgCache[0].src = "/images/common/nav__1.gif";
arImgCache[1].src = "/images/common/nav_newsevents_1.gif";
arImgCache[2].src = "/images/common/nav_aboutus_1.gif";
arImgCache[3].src = "/images/common/nav_programsservices_1.gif";
arImgCache[4].src = "/images/common/nav_scriptsforoption_1.gif";
arImgCache[5].src = "/images/common/nav_competitions_1.gif";
arImgCache[6].src = "/images/common/nav_libraryresources_1.gif";
arImgCache[7].src = "/images/common/nav_people_1.gif";
arImgCache[8].src = "/images/common/nav_contact_1.gif";

var navActive;

function setActive(pA){
  navActive = pA;
  document.getElementById(pA).src = "/images/common/" + pA + "_1.gif";
}

function swapImg(el,state){
  if(el.id != navActive){
    el.src = "/images/common/" + el.id + "_" + state + ".gif";
  }
}

function submitSearch(f){
	if(f.siteSearchType.options[f.siteSearchType.selectedIndex].value == "library"){
		window.location = '/en/libraryresources/searchlibrary/default.aspx?action=search&searchby=keyword&criteria=' + URLencode(f.siteSearchText.value);
	}else{
		window.location = '/en/searchresults/default.aspx?siteSearchText=' + URLencode(f.siteSearchText.value);
	}
}

function URLencode(s) {
	return escape(s).replace(/\+/g, '%2B').replace(/\"/g,'%22').replace(/\'/g, '%27');
}

function noenter(e) {
	var keypressed = (e.keyCode) ? e.keyCode : e.charCode;
	if(keypressed != 13){
		e.returnValue = true;
	}else{
		if (document.all)
		{
			e.cancelBubble = true;
			e.returnValue = false;
		}
		else
		{
			e.preventDefault();
			e.stopPropagation();
		}
	}
	return true;
}