//alert("Test"); 

if (document.all)
{	
	
	document.onkeydown = function ()
	{
		var key_f5 = 116; // 116 = F5		
		
		if (key_f5 == event.keyCode)
		{
			event.keyCode = 0;
			
			if (parent.window.frames["myframe1"] != null)
			{
				parent.window.frames["myframe1"].location.href = parent.window.frames["myframe1"].location.href;
			}
			else if (window.frames["myframe1"] != null)
			{
				window.frames["myframe1"].location.href = window.frames["myframe1"].location.href;
			}
			else
			{
				window.location.href = window.location.href;
			}
			return false;
		}
	}
}