var xmlHttp
var objtarget




function RecebeDados(TargetObject, DataSource) { 

	xmlHttp = GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ('Browser does not support HTTP Request')
		return
	} 
	objtarget = TargetObject
	var url = DataSource 
	//alert(url);
	xmlHttp.onreadystatechange = stateChanged 
	xmlHttp.open('GET',url ,true)
	xmlHttp.send(null)
}


function stateChanged() { 
	if (xmlHttp.readyState==4) { 
		document.getElementById(objtarget).innerHTML = xmlHttp.responseText;
	} 
} 

function apagacampo(TargetObject) { 
		 document.getElementById(TargetObject).value = '';
		 document.form1.incluir.style.display = '';
	     document.form1.alterar.style.display = 'none';	 
} 

function Limpa(TargetObject) {
	document.getElementById(TargetObject).innerHTML = '<select></select>'
}

function GetXmlHttpObject() { 
	var objXMLHttp=null
	if (window.XMLHttpRequest) {
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject) {
		objXMLHttp=new ActiveXObject('Microsoft.XMLHTTP')
	}
	return objXMLHttp
}