var http_request = false;
var dest;   
var busy;

function makeRequest(url, parameters, destination) {
      showBusy();	
	  http_request = false;
	  dest = destination;
	  var ran_no=(Math.round((Math.random()*9999))); 
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            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 = alertContents;
      http_request.open('GET', url + parameters +'&ran='+ran_no, true);
      http_request.send(null);
   }

function makePOSTRequest(url, parameters, destination) {
	  showBusy();	
      http_request = false;
	  dest = destination;
      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');
         }
      } 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 = alertContents;
      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 alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById(dest).innerHTML = result;  
			hideBusy();
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
  
   function get(FormName,URL,tagID) {
	  var getstr = Math.random()+"&";
      for (i=0; i<document.forms[FormName].elements.length; i++) {
          obj=document.forms[FormName].elements[i];
		  if (obj.type == "checkbox") {
               if (obj.checked) {
                  getstr += obj.name + "=" + encodeURIComponent(obj.value) + "&";
               } else {
                  getstr += obj.name + "=&";
               }
          }
		  else if (obj.type == "radio") {
               if (obj.checked) {
                  getstr += obj.name + "=" + encodeURIComponent(obj.value) + "&";
               }
          }
		  else
		  {
			getstr += obj.name + "=" + encodeURIComponent(obj.value) + "&";
		  }
		
      }
	   //makeRequest(URL, getstr,'personal');
	   makePOSTRequest(URL, getstr,tagID);

   }
  

   function showBusy()
   {
		busy =document.getElementById("busy");
		if (busy)
		{
			busy.style.top=document.body.scrollTop+'px';
			busy.style.right=0+'px';
			busy.style.visibility="visible";
		}

   }
	function hideBusy()
	{
		 if (busy) busy.style.visibility="hidden";
	}

	function clearDiv(divid)
	{
		document.getElementById(divid).innerHTML ="";
	}

	function setValByID(divid,value)
	{
		document.getElementById(divid).innerHTML =value;
	}