loadImages();
function loadImages(){
	companyOn = new Image();
	companyOn.src="images/nav/company_over.gif";

	contactOn = new Image();
	contactOn.src="images/nav/contact_over.gif";
	
	customerOn = new Image();
	customerOn.src="images/nav/customer_over.gif";
	
	homeOn = new Image();
	homeOn.src="images/nav/home_over.gif";
	
	investorOn = new Image();
	investorOn.src="images/nav/investor_over.gif";
	
	newsOn = new Image();
	newsOn.src="images/nav/news_over.gif";
	
	qualityOn = new Image();
	qualityOn.src="images/nav/quality_over.gif";
	
	servicesOn = new Image();
	servicesOn.src="images/nav/services_over.gif";
	
	techOn = new Image();
	techOn.src="images/tech_center/tech_over.gif";


	//services
	prototypeOn = new Image();
	prototypeOn.src="images/sub_nav/prototype_over.gif";	

	pcbOn = new Image();
	pcbOn.src="images/sub_nav/pcb_over.gif";	
	
	boxOn = new Image();
	boxOn.src="images/sub_nav/box_over.gif";

	testOn = new Image();
	testOn.src="images/sub_nav/test_over.gif";
	
	designOn = new Image();
	designOn.src="images/sub_nav/design_over.gif";

	materialOn = new Image();
	materialOn.src="images/sub_nav/material_over.gif";

	programOn = new Image();
	programOn.src="images/sub_nav/program_over.gif";
	
	advancedOn = new Image();
	advancedOn.src="images/sub_nav/advanced_over.gif";

	testOn = new Image();
	testOn.src="images/sub_nav/test_over.gif";
	

	//company
	historyOn = new Image();
	historyOn.src="images/sub_nav/history_over.gif";

	locationOn = new Image();
	locationOn.src="images/sub_nav/location_over.gif";

	managementOn = new Image();
	managementOn.src="images/sub_nav/management_over.gif";
	
	careersOn = new Image();
	careersOn.src="images/sub_nav/careers_over.gif";
	
	
	//quality
	processOn = new Image();
	processOn.src="images/sub_nav/process_over.gif";

	certificationsOn = new Image();
	certificationsOn.src="images/sub_nav/certifications_over.gif";

	trainingOn = new Image();
	trainingOn.src="images/sub_nav/training_over.gif";

	historyOn = new Image();
	historyOn.src="images/sub_nav/history_over.gif";

	sales_repsOn = new Image();
	sales_repsOn.src="images/sub_nav/sales_reps_over.gif";

	iec_contactOn = new Image();
	iec_contactOn.src="images/sub_nav/iec_contact_over.gif";

	directions_mapOn = new Image();
	directions_mapOn.src="images/sub_nav/directions_map_over.gif";
	
	corporate_governanceOn = new Image();
	corporate_governanceOn.src="images/sub_nav/corporate_governance_over.gif";

	company_eventsOn = new Image();
	company_eventsOn.src="images/sub_nav/company_events_over.gif";
	
	employee_awardsOn = new Image();
	employee_awardsOn.src="images/sub_nav/employee_awards_over.gif";

}


function swap( imgName ){
	var imgSrc = eval("document.images['" + imgName + "'].src");	
	var imgOffSrc = "images/nav/" + imgName + "_off.gif";
	var beginIndex = imgSrc.indexOf("images/nav/");
	var imgSrcLength = imgSrc.length;

	imgSrc = imgSrc.substring(beginIndex, imgSrcLength);

	//rollover
	if( imgSrc == imgOffSrc ){
		document.images[imgName].src = eval(imgName + "On").src;
	}
	//rollout
	else{
		document.images[imgName].src = imgOffSrc;
	}	
}

function swapsubnav( imgName ){
	var imgSrc = eval("document.images['" + imgName + "'].src");	
	var imgOffSrc = "images/sub_nav/" + imgName + "_off.gif";
	var beginIndex = imgSrc.indexOf("images/sub_nav/");
	var imgSrcLength = imgSrc.length;

	imgSrc = imgSrc.substring(beginIndex, imgSrcLength);

	//rollover
	if( imgSrc == imgOffSrc ){
		document.images[imgName].src = eval(imgName + "On").src;
	}
	//rollout
	else{
		document.images[imgName].src = imgOffSrc;
	}	
}

function swaptech( imgName ){
	var imgSrc = eval("document.images['" + imgName + "'].src");	
	var imgOffSrc = "images/tech_center/" + imgName + "_off.gif";
	var beginIndex = imgSrc.indexOf("images/tech_center/");
	var imgSrcLength = imgSrc.length;

	imgSrc = imgSrc.substring(beginIndex, imgSrcLength);

	//rollover
	if( imgSrc == imgOffSrc ){
		document.images[imgName].src = eval(imgName + "On").src;
	}
	//rollout
	else{
		document.images[imgName].src = imgOffSrc;
	}	
}