function change_left(file1, file2, file3){
	parent.bdy_left.location = file1;
	parent.bdy_right.location = file2;
	parent.left_pic.location = file3;
}
function MOver(obj)
{
	obj.style.background="#EEEEEE";
	obj.style.cursor='hand';
}
function MOut(obj)
{
	obj.style.background="";
}
function mOverMenu(obj)
{
	obj.style.color='#AA2222';
}
function mOutMenu(obj)
{
	obj.style.color="";
}