function Hide(id) {

	divs = document.getElementsByTagName("div");

	if (divs[id]==undefined)
	{
		divs = document.getElementsByTagName("span");
	}

	divs[id].style.display = "none";
}

	

function MultiHide(className) {
	for (i=0;i<document.getElementsByTagName("div").length; i++) {
		if (document.getElementsByTagName("div").item(i).className == className)
		{
			document.getElementsByTagName("div").item(i).style.display = "none";
		}
	}

	for (i=0;i<document.getElementsByTagName("span").length; i++) {
		if (document.getElementsByTagName("span").item(i).className == className)
		{
			document.getElementsByTagName("span").item(i).style.display = "none";
		}
	}
}

function Show(id) {

	divs = document.getElementsByTagName("div");

	if (divs[id]==undefined)
	{
		divs = document.getElementsByTagName("span");
	}


	divs[id].style.display = "";
}

function MultiShow(className) {
	for (i=0;i<document.getElementsByTagName("div").length; i++) {
		if (document.getElementsByTagName("div").item(i).className == className){
			document.getElementsByTagName("div").item(i).style.display = "";
		}
	}

	for (i=0;i<document.getElementsByTagName("span").length; i++) {
		if (document.getElementsByTagName("span").item(i).className == className){
			document.getElementsByTagName("span").item(i).style.display = "";
		}
	}
}

function Menu_Rollover(id) {

	MultiHide('subMenu');
	MultiHide('subContents');

	Show(id);
	Show(id+'_back');

}