function ChangeCss(id, newClass, eEvent)
{
	obj = document.getElementById(id)
	if (eEvent == "mouseover"){
		obj.className = newClass;
	}else if (eEvent == "mouseout"){
		obj.className = newClass;
	}
}

function buttonSwitch(buttonID, evt){
	
	if (evt == "mouseover"){
		document.getElementById(buttonID).firstChild.className = "C_hover";
	}else if (evt == "mouseout"){
		document.getElementById(buttonID).firstChild.className = "C_normal";
	}
}