// JavaScript Document
   var http_request = false  ;
   var span;
   var subform;
   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('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;
			
			//alert(span);
            document.getElementById(span).innerHTML = result;            
			if(document.getElementById("preview").checked==true)document.getElementById("preview").checked=false;
			else {
				document.getElementById("body").innerHTML=""; //empty the body box
				//document.forms[subform].Submit.disabled=true; //disable submit button
				}
        
			} else {
            alert('There was a problem with the request. Please refresh the page and try again. (Code: ' + http_request.status + ')');
         }
      }
   }
 
   function get(obj,form,outspan,url) { //form is the form name, outspan is the id of the place where the output goes. url is the url to call to process.
      	//var poststr = "mytextarea1=" + encodeURI( document.forms[form].elements["mytextarea1"].value )
		span=outspan; //set up the output id location
		subform=form;
			var str = ''; //loop through form elemments, get all the elements by name
			var elem = document.forms[form].elements;
			//document.forms[form].Submit.disabled=true; //disable submit button
			
			
			for(var i = 0; i < elem.length; i++)
			{
				if(elem[i].type  == "text"){ //Handle Textbox's
					 str += elem[i].name + "=" + encodeURIComponent(elem[i].value) + "&";
				 }
				 else if(elem[i].type == "textarea"){ //Handle textareas
						  str +=  elem[i].name + "=" + encodeURIComponent(elem[i].value) + "&";
				 }
			else if(elem[i].type == "radio"|| elem[i].type == "checkbox") {
				if(elem[i].checked )
				{
					str +=  elem[i].name + "="+encodeURI(elem[i].value)+"&" ;
					//alert (elem[i].name + "="+encodeURI(elem[i].value) );
				}				
				}
			else {
				str +=  elem[i].name + "="+encodeURI(elem[i].value)+"&" ;
				//alert ( elem[i].name + "="+encodeURI(elem[i].value) );
				}
			}
			//alert("str is "+str);
   		makePOSTRequest(url, str);

   }