var http_request = false;
   function makePOSTRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Não pode enviar sua mensagem');
         return false;
      }
      
      http_request.onreadystatechange = alertContents;
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=ISO-8859-1");
	  http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById('myspan').innerHTML = result;            
         } else {
            alert('Problemas no Request!');
         }
      }
   }
   
   function get(obj) {
      var poststr = "&gerador=" + escape( document.getElementById("gerador").value ) +
					"&quant=" + escape( document.getElementById("quant").value ) +
					"&periodo=" + escape( document.getElementById("periodo").value ) +
					"&utilizacao=" + escape( document.getElementById("utilizacao").value ) +
					"&local=" + escape( document.getElementById("local").value ) +
					"&motivo=" + escape( document.getElementById("motivo").value ) +
					"&especifique=" + escape( document.getElementById("especifique").value ) +
					"&empresa=" + escape( document.getElementById("empresa").value ) +
					"&contato=" + escape( document.getElementById("contato").value ) +
					"&endereco=" + escape( document.getElementById("endereco").value ) +
					"&numero=" + escape( document.getElementById("numero").value ) +
					"&bairro=" + escape( document.getElementById("bairro").value ) +
					"&cidade=" + escape( document.getElementById("cidade").value ) +
					"&estado=" + escape( document.getElementById("estado").value ) +
					"&cep=" + escape( document.getElementById("cep").value ) +
					"&cep2=" + escape( document.getElementById("cep2").value ) +
					"&fone=" + escape( document.getElementById("fone").value ) +
					"&emmail=" + escape( document.getElementById("emmail").value );

		makePOSTRequest('orcamento_obrigado.php', poststr);

   }
   function get2(obj) {
      var poststr = "&empresa=" + escape( document.getElementById("empresa").value ) +
					"&contato=" + escape( document.getElementById("contato").value ) +
					"&endereco=" + escape( document.getElementById("endereco").value ) +
					"&numero=" + escape( document.getElementById("numero").value ) +
					"&bairro=" + escape( document.getElementById("bairro").value ) +
					"&cidade=" + escape( document.getElementById("cidade").value ) +
					"&estado=" + escape( document.getElementById("estado").value ) +
					"&cep=" + escape( document.getElementById("cep").value ) +
					"&cep2=" + escape( document.getElementById("cep2").value ) +
					"&fone=" + escape( document.getElementById("fone").value ) +
					"&emmail=" + escape( document.getElementById("emmail").value ) +
					"&mensagem=" + escape( document.getElementById("mensagem").value );
					
      makePOSTRequest('obrigado.php', poststr);
   }