function getHeight() { 

    if (document.getElementById) { // IE5.5/NS6 
        return document.getElementById('tblteste').offsetHeight; 
    } else if (document.layers) { 
        return document.layers['tblteste'].clip.height; 
    } else if (document.all) { // IE4 
        return document.all['tbltestes'].offsetHeight; 
    } 

} 
function reloaded() {
	
    if (document.getElementById) { // IE5.5/NS6 

		//document.getElementById("tblteste").refresh();
		altura = getHeight();
		parent.document.getElementById("formname").height = altura;
		
    } else if (document.layers) { 

		//document.layers['tblteste'].refresh();
		altura = getHeight();
		parent.document.layers['formname'].clip.height = altura;
		

    } else if (document.all) { // IE4 

		//document.all['tblteste'].refresh();
		altura = getHeight();
		parent.document.all['formname'].height = altura;

    }

}

function startResize() {
setInterval("reloaded()",100);
}