var p1, p2,p3,p4,p5,p6;

if(document.images)
{
		p1 =  new Image();
		p1.src= "graphics/home_over.gif";
		
		p2 =  new Image();
		p2.src= "graphics/about_us_over.gif";
		
		p3 =  new Image();
		p3.src= "graphics/principal_over.gif";
		
		p4 =  new Image();
		p4.src= "graphics/services_over.gif";
		
        p5 = new Image();
		p5.src="graphics/testimonials_over.gif";
		
		p6 = new Image();
		p6.src="graphics/contact_us_over.gif";
}