<!-- hide script from old browsers
if(document.images){
button1_off=new Image();
button1_on=new Image();
button2_off=new Image();
button2_on=new Image();
button3_off=new Image();
button3_on=new Image();
button4_off=new Image();
button4_on=new Image();
button5_off=new Image();
button5_on=new Image();




button1_off.src="images/home_off.jpg";
button1_on.src="images/home_over.jpg";
button2_off.src="images/about_off.jpg";
button2_on.src="images/about_over.jpg";
button3_off.src="images/portfolio_off.jpg";
button3_on.src="images/portfolio_over.jpg";
button4_off.src="images/pricing_off.jpg";
button4_on.src="images/pricing_over.jpg";
button5_off.src="images/contact_off.jpg";
button5_on.src="images/contact_over.jpg";




}function Rollme(n,x){
document.images[n].src=x.src
}

// end hiding script from old browsers -->