function ChangeCheck(MenuNavId,MenuConNavId)
{
	
	var MenuConNavClassId;
	var MenuConNavClassDisplay;
	var MenuNavClassId;
	var MenuNavClassName;
	
	for(var i=1;i<=9;i++)
	{
		MenuNavClassId = "MenuNav"+i;
		MenuConNavClassId="MenuConNav"+i;
		
		if(MenuConNavClassId==MenuConNavId)
		{
			MenuConNavClassDisplay = document.getElementById(MenuConNavClassId).style.display;
			if(MenuConNavClassDisplay=="none")
			{
				document.getElementById(MenuConNavClassId).style.display="block";
			}
		}
		else
		{
			MenuConNavClassDisplay = document.getElementById(MenuConNavClassId).style.display;
			if(MenuConNavClassDisplay=="block")
			{
				document.getElementById(MenuConNavClassId).style.display="none";
			}
		}
		
		if(MenuNavClassId==MenuNavId)
		{
			MenuNavClassName = document.getElementById(MenuNavClassId).className;
			if(MenuNavClassName=="MenuTextCheck")
			{
				document.getElementById(MenuNavClassId).className = "MenuTextChecked";
			}
		}
		else
		{
			MenuNavClassName = document.getElementById(MenuNavClassId).className;
			if(MenuNavClassName=="MenuTextChecked")
			{
				document.getElementById(MenuNavClassId).className = "MenuTextCheck";
			}
		}
	}
}