if (document.images) 
{

nav1on = new Image();
nav1on.src = "images/btn_home_on.gif";
nav1off = new Image();
nav1off.src = "images/btn_home_off.gif";

nav2on = new Image();
nav2on.src = "images/btn_product_on.gif";
nav2off = new Image();
nav2off.src = "images/btn_product_off.gif";

nav3on = new Image();
nav3on.src = "images/btn_transactions_on.gif";
nav3off = new Image();
nav3off.src = "images/btn_transactions_off.gif";

nav4on = new Image();
nav4on.src = "images/btn_investor_on.gif";
nav4off = new Image();
nav4off.src = "images/btn_investor_off.gif";

nav5on = new Image();
nav5on.src = "images/btn_contact_on.gif";
nav5off = new Image();
nav5off.src = "images/btn_contact_off.gif";

nav6on = new Image();
nav6on.src = "images/btn_info_on.gif";
nav6off = new Image();
nav6off.src = "images/btn_info_off.gif";

nav7on = new Image();
nav7on.src = "images/btn_email_on.gif";
nav7off = new Image();
nav7off.src = "images/btn_email_off.gif";

nav8on = new Image();
nav8on.src = "images/btn_footer_home_on.gif";
nav8off = new Image();
nav8off.src = "images/btn_footer_home_off.gif";

nav9on = new Image();
nav9on.src = "images/btn_footer_info_on.gif";
nav9off = new Image();
nav9off.src = "images/btn_footer_info_off.gif";

nav10on = new Image();
nav10on.src = "images/btn_footer_contact_on.gif";
nav10off = new Image();
nav10off.src = "images/btn_footer_contact_off.gif";

nav11on = new Image();
nav11on.src = "images/btn_footer_email_on.gif";
nav11off = new Image();
nav11off.src = "images/btn_footer_email_off.gif";

nav12on = new Image();
nav12on.src = "images/btn_footer_privacy_on.gif";
nav12off = new Image();
nav12off.src = "images/btn_footer_privacy_off.gif";

nav14on = new Image();
nav14on.src = "images/btn_arborComm_1.gif";
nav14off = new Image();
nav14off.src = "images/btn_arborComm.gif";

//Added the following by WU in 12/05/2007
nav16on = new Image();
nav16on.src = "images/btn_footer_InvestorLogin_on.gif";
nav16off = new Image();
nav16off.src = "images/btn_footer_InvestorLogin_off.gif";
//=======================================


function twinOn(imageName1)  
{
	document[imageName1].src=eval(imageName1+"on.src");
}
 
function twinOff(imageName1,imageName2) 
{
	document[imageName1].src=eval(imageName1+"off.src");
}	

}