function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		us_menu4_over = newImage("/assets/images/us_menu4-over.gif");
		us_menu5_over = newImage("/assets/images/us_menu5-over.gif");
		us_menu6_over = newImage("/assets/images/us_menu6-over.gif");
		us_menu7_over = newImage("/assets/images/us_menu7-over.gif");
		us_menu8_over = newImage("/assets/images/us_menu8-over.gif");
		us_menu9_over = newImage("/assets/images/us_menu9-over.gif");
		preloadFlag = true;
	}
}

/*
//SUCKERFISH - makes the UL/LI menus work in IE
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
*/

function checkKey(e) {
	var KeyID = (window.event) ? event.keyCode : e.keyCode;

	if (KeyID == 13)
		setHref();	
}

function setHref() {
	if(frames['main'] == null) { 
		window.location = 'http://www.usamobility.com/search/index.html?refkeyword=' + document.getElementById('kword').value;
 	}
	else { 
		frames['main'].location.href = 'http://search.usamobility.com/processSearch.do?keyword=' + document.getElementById('kword').value;
	}
}
function checkParent() {

	searchparms = window.location.search;

	paramName = searchparms.substring(1,searchparms.indexOf('='));
	done = false;
	while (!done) {			
		if(searchparms.indexOf('&') == -1 ) {
			paramKey = searchparms.substring(searchparms.indexOf('=') + 1);	
			done = true;			
		}
		else 
			paramKey = searchparms.substring(searchparms.indexOf('=') + 1,searchparms.indexOf('&'));

		searchparms = searchparms.substring(searchparms.indexOf('&') + 1);

		if(paramName == 'refkeyword')  {
			window.frames['main'].location = 'http://search.usamobility.com/processSearch.do?keyword=' + paramKey;
			done = true; 
		}
		paramName = searchparms.substring(0,searchparms.indexOf('='));							
	}
	
	return;
}


function addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}
addEvent(window, 'load', checkParent);