var http_request = false;

function makePOSTRequest(url, parameters, elembody) {
	  pageLoad = 1;
      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('Cannot create XMLHTTP instance');
         return false;
      }
      
      http_request.onreadystatechange = function() {
		  if (http_request.readyState == 4) {
	         if (http_request.status == 200) {
	            //alert(http_request.responseText);
	            result = http_request.responseText;
	            document.getElementById(elembody).innerHTML = result;
				if (document.getElementById("loading")) {document.getElementById("loading").style.display = "none";}	         } else {
	            alert('There was a problem with the request.');
	         }
			 pageLoad = 0;
	      }
	   }
	  if (document.getElementById("loading")) {document.getElementById("loading").style.display="block";}  
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }
   
	function SubForm (obj,elembody) {
		var sTags = new Array();
		var iTC = 0;
		var iTP = 0;
		var i = 0;
		var sField1 = "";
		var sField2 = "";
		sTags[0] = obj;
		iTC++;
		for (iTP=0; iTP<sTags.length; iTP++) {
			for (i=0; i<sTags[iTP].childNodes.length; i++) {
				sTags[iTC] = sTags[iTP].childNodes[i];
				iTC++;
				sField2 = GetFormInputs(sTags[iTP].childNodes[i]);
				if (sField2 != "") {
					if (sField1	!= "") {
						sField1 += "&";
					}
					sField1 += sField2;
				}
			}
		}
		makePOSTRequest("index.exe", sField1, elembody);
	}
   
	function GetFormInputs (obj) {
		var getstr = "";
		if (obj.tagName == "INPUT") {
			if (obj.type == "text") {
				getstr += obj.name + "=" + obj.value;
			} else if (obj.type == "password") {
				getstr += obj.name + "=" + obj.value;
			} else if (obj.type == "hidden") {
				getstr += obj.name + "=" + obj.value;
			} else if (obj.type == "checkbox") {
				if (obj.checked) {
					getstr += obj.name + "=" + obj.value;
				} else {
					getstr += obj.name + "=";
				}
			} else if (obj.type == "radio") {
				if (obj.checked) {
					getstr += obj.name + "=" + obj.value;
				}
			}
		} else if (obj.tagName == "SELECT") {
			var sel = obj;
			getstr += sel.name + "=" + sel.options[sel.selectedIndex].value;
		} else if (obj.tagName == "TEXTAREA") {
			getstr += obj.name + "=" + obj.innerHTML;
		}
		return getstr;
	}