var http_request = false;
   function makeRequest(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('GET', url + parameters, true);
      http_request.send(null);
   }

   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; 
			
			var myEls = document.getElementsByTagName("button")
			for(x=0;x<myEls.length;x++) {
					if(myEls[x].id="regSubmit") {
						myEls[x].style.backgroundImage = "url('/images/formButton.png')";
					}	
			}
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
function get(obj,formType) {
	var myEls = document.getElementsByTagName("button")
	for(x=0;x<myEls.length;x++) {
			if(myEls[x].id="regSubmit") {
				myEls[x].style.backgroundImage = "url('/images/formButtonLoading.gif')";
			}	
	}	
	
	var getstr = "?";
	var elements = obj.getElementsByTagName("input");
	for (i=0; i<elements.length; i++) {
		if (elements[i].type == "text" || elements[i].type == "hidden") {
			getstr += elements[i].name + "=" + elements[i].value + "&";
		}
		if (elements[i].type == "checkbox") {
			if (elements[i].checked) {
				getstr += elements[i].name + "=" + obj.getElementsByTagName("input")[i].value + "&";
			} else {
				getstr += elements[i].name + "=&";
			}
		}
		if (elements[i].type == "radio") {
			if (elements[i].checked) {
		  		getstr += elements[i].name + "=" + elements[i].value + "&";
			}
	 	}
	}
	elements = obj.getElementsByTagName("textarea");
	for (i=0; i<elements.length; i++) {
		getstr += elements[i].name + "=" + elements[i].value + "&";
	}
	elements = obj.getElementsByTagName("select");
	for (i=0; i<elements.length; i++) {
		getstr += elements[i].name + "=" + elements[i].value + "&";
	}
	switch(formType) {
		case 1	:	makeRequest('/components/forms/handleAppointments.php', getstr);
					break;
		case 2	:	makeRequest('/components/forms/handleRegistrations.php', getstr);
					break;
		case 3	:	makeRequest('/components/forms/handlePrescriptions.php', getstr);
					break;
	}
}