function box_show (myid){
	var activitebis=document.getElementById(myid);
	activitebis.style.visibility="visible";
}

function box_hide (myid){
	var activitebis=document.getElementById(myid);
	activitebis.style.visibility="hidden";
}

function rollover_start(elem)
{
	var variable=document.getElementById(elem);
		variable.style.color="#D51414";
}

function rollover_end(event){
	var variable=document.getElementById(event);
	variable.style.color="#FFFFFF";
}