function miss_goback()
{	
	try
	{
		history.back();
		
	}
	catch(e)
	{
	}
}
function miss_gobackH()
{	
	try
	{
		document.frames('_body').history.back();
		
	}
	catch(e)
	{
	}
}
function miss_goforward()
{	
	try
	{
		document.frames('_body').history.forward();
		
	}
	catch(e)
	{
	}
}