if (document.images){
    englishOn = new Image
		englishOff = new Image
		englishClick = new Image
    servicesOn = new Image
    servicesOff = new Image
		servicesClick = new Image
    careersOn = new Image
		careersOff = new Image
		careersClick = new Image
		portfolioOn = new Image
		portfolioOff = new Image
		portfolioClick = new Image
		companyOn = new Image
		companyOff = new Image
		companyClick = new Image
		contactOn = new Image
		contactOff = new Image
		contactClick = new Image
		englishOn.src =  "images/english_red.gif"
		englishOff.src = "images/english.gif"
		englishClick.src = "images/english_blue.gif"
		servicesOn.src = "images/services_j_red.gif"
		servicesOff.src = "images/services_j.gif"
		servicesClick.src = "images/services_j_blue.gif"
		careersOn.src = "images/careers_j_red.gif"
		careersOff.src = "images/careers_j.gif"
		careersClick.src = "images/careers_j_green.gif"
		portfolioOn.src = "images/portfolio_j_red.gif"
		portfolioOff.src = "images/portfolio_j.gif"
		portfolioClick.src = "images/portfolio_j_gray.gif"
		companyOn.src = "images/company_j_red.gif"		
		companyOff.src = "images/company_j.gif"
		companyClick.src = "images/company_j_pink.gif"
		contactOn.src = "images/contact_j_red.gif"
		contactOff.src = "images/contact_j.gif"
		contactClick.src = "images/contact_j_yellow.gif"
}

function chgImg(imgFld,newImg){
    if (document.images){
		    document[imgFld].src=eval(newImg+".src")
		}
}