if(document.images){
	nav_services_off=new Image; nav_services_off.src='/images/nav_services_off.gif';
	nav_services_on=new Image; nav_services_on.src='/images/nav_services_on.gif';
	nav_products_off=new Image; nav_products_off.src='/images/nav_products_off.gif';
	nav_products_on=new Image; nav_products_on.src='/images/nav_products_on.gif';
	nav_aboutus_off=new Image; nav_aboutus_off.src='/images/nav_aboutus_off.gif';
	nav_aboutus_on=new Image; nav_aboutus_on.src='/images/nav_aboutus_on.gif';
	nav_news_off=new Image; nav_news_off.src='/images/nav_news_off.gif';
	nav_news_on=new Image; nav_news_on.src='/images/nav_news_on.gif';
	nav_resources_off=new Image; nav_resources_off.src='/images/nav_resources_off.gif';
	nav_resources_on=new Image; nav_resources_on.src='/images/nav_resources_on.gif';
	nav_testimonials_off=new Image; nav_testimonials_off.src='/images/nav_testimonials_off.gif';
	nav_testimonials_on=new Image; nav_testimonials_on.src='/images/nav_testimonials_on.gif';
	nav_casestudies_off=new Image; nav_casestudies_off.src='/images/nav_casestudies_off.gif';
	nav_casestudies_on=new Image; nav_casestudies_on.src='/images/nav_casestudies_on.gif';
	nav_requestforquote_off=new Image; nav_requestforquote_off.src='/images/nav_requestforquote_off.gif';
	nav_requestforquote_on=new Image; nav_requestforquote_on.src='/images/nav_requestforquote_on.gif';
	nav_contactus_off=new Image; nav_contactus_off.src='/images/nav_contactus_off.gif';
	nav_contactus_on=new Image; nav_contactus_on.src='/images/nav_contactus_on.gif';
	nav_home_off=new Image; nav_home_off.src='/images/nav_home_off.gif';
	nav_home_on=new Image; nav_home_on.src='/images/nav_home_on.gif';
	nav_projectshowcase_off=new Image; nav_projectshowcase_off.src='/images/nav_projectshowcase_off.gif';
	nav_projectshowcase_on=new Image; nav_projectshowcase_on.src='/images/nav_projectshowcase_on.gif';

}
function imageSwap(location,imageName){
	if(document.images) document.images[location].src=eval(imageName+'.src');
}