function onmouse_over(imageid,imagename)
{
	firstimg1=new Image();
	
	firstimg1.src="./images/"+imagename;
	//alert(imageid);
	document.getElementById(imageid).src=firstimg1.src;
}
function onmouse_out(imageid,imagename)
{	
	firstimg2=new Image();
	
	firstimg2.src="./images/"+imagename;
	document.getElementById(imageid).src=firstimg2.src;
}