// JavaScript Document
activateMenu = function(nav) {
	if (document.all && document.getElementById(nav).currentStyle) {  
		var navroot = document.getElementById(nav);
		/* Get all the list items within the menu */
		var lis=navroot.getElementsByTagName("LI");  
		for (i=0; i<lis.length; i++) {
			/* If the LI has another menu level */
			if(lis[i].lastChild.tagName=="UL"){
				/* assign the function to the LI */
				lis[i].onmouseover=function() {		
				   /* display the inner menu */
				   this.lastChild.style.display="block";
				}
				lis[i].onmouseout=function() {                       
					this.lastChild.style.display="none";
				}
			}
		}
	}
}

window.onload= function(){
   activateMenu('nav');  
}

if (document.images){
	our_companies=new Image;
	our_companies_x=new Image;
	supplier_tools=new Image;
	supplier_tools_x=new Image;
	contact_us=new Image;
	contact_us_x=new Image;
	news_and_events=new Image;
	news_and_events_x=new Image;
	products=new Image;
	products_x=new Image;
	industries_and_markets=new Image;
	industries_and_markets_x=new Image;
	service=new Image;
	service_x=new Image;
	
	our_companies.src="company_info.bmp";
	our_companies_x.src="company_info_x.bmp";
	supplier_tools.src="supplier_tools.gif";
	supplier_tools_x.src="supplier_tools_x.gif";
	contact_us.src="contact_us.gif";
	contact_us_x.src="contact_us_x.gif";
	news_and_events.src="news_and_events.gif";
	news_and_events_x.src="news_and_events_x.gif";
	products.src="products.gif";
	products_x.src="products_x.gif";
	industries_and_markets.src="industries_and_markets.gif";
	industries_and_markets_x.src="industries_and_markets_x.gif";
	service.src="service.gif";
	service_x.src="service_x.gif";
}

function chgImg(imgField,newImg) {
	if (document.images){
		document.getElementById(imgField).src = 'img/' + newImg;
	}
}