function showhide(boxid)
{
	mybox = document.getElementById(boxid);
	myimg = document.getElementById(boxid+"_img");
if (mybox.style.display=="none") {
		mybox.style.display="block";
		myimg.src = "images/less.png";
		
		
	} 
	else {
		mybox.style.display="none";
		myimg.src = "images/more.png";
	}
}