//------------------------------------FUNCTION PARA AJAX-----------

function preenchegrid(pagina)
{
	//IE maior que 5.0
	try{
		xmlrequest= new ActiveXObject("Msxml2.XMLHTTP");
	}catch ( e ){
		//IE  menor que 5.0		
		try{
			xmlrequest = new ActiveXObject ("MIcrosoft.XMLHTTP");
		}catch(E){
			xmlrequest=false;			
		}
	}

	if (!xmlrequest && typeof XMLHttpRequest !="undefined"){
		xmlrequest = new XMLHttpRequest();
	}	
	xmlrequest.open("POST",pagina,false);
	xmlrequest.onreadystatechange=processaDados;
	xmlrequest.send(null);
}

function processaDados(){
	if (xmlrequest.readyState==4){
		document.getElementById("gridconteudo").innerHTML=xmlrequest.responseText;
	}
}