function butOver(el){showSubMenu(el);path = el.src.split('/');file = path[path.length-1];file_parts = file.split('.');if(file_parts[0].substr(file_parts[0].length - 2, file_parts[0].length)  == "_o"){return;}out_src = el.src;src_parts = el.src.split('.jpg');over_src = src_parts[0]+"_o"+".jpg";el.src = over_src;el.onmouseout = function(){this.src = out_src;}}

var csubmen;

function showSubMenu(el)
{
	var el;
	var csb = el.getAttribute('id');
	if(csb == "B2")
	{
		document.getElementById("SUB_B2").style.display = '';
	}else{
		document.getElementById("SUB_B2").style.display = 'none';
	}
	
}
function hideSubMenu(el)
{
	
}