var scnHei;
	
	if (self.innerHeight) // all except Explorer
	{
		scnHei = self.scrollHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight)
		// Explorer 6 Strict Mode
	{
		scnHei = document.documentElement.scrollHeight;
	}
	else if (document.body) // other Explorers
	{
		scnHei = document.body.scrollHeight;
	}

	document.getElementById("tblMainBackground").style.height=	scnHei
//	document.getElementById("divFooterBackground").style.height=	scnHei

//alert(document.body.scrollTop)