function closeEm(openMe){
	if (document.getElementById)
	{
		var allTags = document.getElementsByTagName("*");
		for (i=0; i<allTags.length; i++)
		{
			var theTag = allTags[i];
			var name = theTag.getAttribute("id");
			if(name != null && name.substr(0,4) == "esrc")
			{
				theTag.style.display = "none";
			}
		}
	}
	var displayThis = document.getElementById(openMe).style;
	displayThis.display = "block";
}
			 
function clrBackground(menuItem)
{
	var names=document.getElementsByName("names");
	for(i=0;i<names.length;i++)
	{
		names[i].style.color = 'black';
	}
menuItem.style.color = 'blue';
menuItem.style.fontWeight = 'bold';
}