// var imgLoaded = "0";

if (document.images) {
	image1on = new Image();
	image1on.src = "images/common/nav_about_on.gif";
		image1off = new Image();
		image1off.src = "images/common/nav_about_off.gif";
	
	image2on = new Image();
	image2on.src = "images/common/nav_search_on.gif";
	  image2off = new Image();
	  image2off.src = "images/common/nav_search_off.gif";
	  
	image3on = new Image();
	image3on.src = "images/common/nav_success_on.gif";
		image3off = new Image();
		image3off.src = "images/common/nav_success_off.gif";
  
	image4on = new Image();
	image4on.src = "images/common/nav_careers_on.gif";
		image4off = new Image();
		image4off.src = "images/common/nav_careers_off.gif";	
	
	image5on = new Image();
	image5on.src = "images/common/nav_partners_on.gif";
		image5off = new Image();
		image5off.src = "images/common/nav_partners_off.gif";	
	
	image6on = new Image();
	image6on.src = "images/common/nav_contact_on.gif";
		image6off = new Image();
		image6off.src = "images/common/nav_contact_off.gif";	
	
	image7on = new Image();
	image7on.src = "images/common/nav_mpact_on.gif";
		image7off = new Image();
		image7off.src = "images/common/nav_mpact_off.gif";	 
	 
	image8on = new Image();
	image8on.src = "images/common/nav_mpact_off.gif";
		image8off = new Image();
		image8off.src = "images/common/nav_mpact_off.gif";
		
	imgLoaded = "1";  
}

function changeImages(imgName,imgSource){
	if (document.images){
		// if (imgLoaded == 1){
        	imgOn = eval(imgSource + ".src");
        	document [imgName].src = imgOn;
    	// }
	}
}