// JavaScript Document

var browserName=navigator.appName; 
var isIE = true;
if (browserName!="Microsoft Internet Explorer"){
	isIE = false;
}

function showNavItem(navItem){
	try{
		for(i=1; i < 6; i++){
			var navObject = document.getElementById('navHoverImg'+ i);
			navObject.src = 'images/navHoverOff.gif';
		}
		var navObject = document.getElementById('navHoverImg'+ navItem);	
		if(navItem == 1){
		   navObject.src = 'images/navHoverOnLong.gif';
		}
		else{
			navObject.src = 'images/navHoverOn.gif';
		}
	}
	catch(e){}
}

function hideNavItem(navItem){
	try{
		var navObject = document.getElementById('navHoverImg'+ navItem);
		if(pageId != navItem){
			navObject.src = 'images/navHoverOff.gif';
		}
		if(pageId != 0){
			navObject = document.getElementById('navHoverImg'+ pageId);
			if(pageId == 1){
			   navObject.src = 'images/navHoverOnLong.gif';
			}
			else{
				navObject.src = 'images/navHoverOn.gif';
			}
		}
	}
	catch(e){}
}

function onLoadNavItem(){
	try{
		if(pageId != 0){
			showNavItem(pageId);
		}
	}	
	catch(e){}
}

function frameAdjust(){
	try{
		var navObject = document.getElementById('centerContentFrame');
		if(!isIE){
			navObject.style.height = '330px';
		}
	}
	catch(e){}
}

String.prototype.trim=function() {
	 return this.rtrim().ltrim()
}
String.prototype.ltrim=function() {
	 return this.replace(/^\s*/,'')
}
String.prototype.rtrim=function() {
	 return this.replace(/\s*$/,'')
}