// Developed by Andrew Read - Cenetrix Systems

	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 makeRequestHandler(url, parameters, handler) {
      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 = handler;
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
   }

   function check(tocheck) {
   
   		if(tocheck == undefined) return "undef=u&";
   		
		var radioLength = tocheck.length;
		if(radioLength == undefined) return "undef=u&";
		
		for(var i = 0; i < radioLength; i++) {
			if(tocheck[i].checked) {
				return(tocheck[i].name + "=" + tocheck[i].value + "&");
			}
		}
	}

window.size = function()
{
	var w = 0;
	var h = 0;

	//IE
	if(!window.innerWidth)
	{
		//strict mode
		if(!(document.documentElement.clientWidth == 0))
		{
			w = document.documentElement.clientWidth;
			h = document.documentElement.clientHeight;
		}
		//quirks mode
		else
		{
			w = document.body.clientWidth;
			h = document.body.clientHeight;
		}
	}
	//w3c
	else
	{
		w = window.innerWidth;
		h = window.innerHeight;
	}
	return {width:w,height:h};
}

//This handy function sets the form download
function update_field_contents(layer, download) {
	var layer1 = document.getElementById([layer]);
	layer1.value = download;

}

//This handy function sets the form download
function update_element(layer, value) {
	var layer1 = document.getElementById([layer]);
	layer1.innerHTML = value;
}

function hide_form(layer) {
	document.getElementById([layer]).style.display = "none";
	lightbox_remove();
}

function set_location(element, email) {
	document.getElementById([element]).value = email;
}