// email.js
var popup_dragging = false;  
var popup_target;  
var popup_mouseX;  
var popup_mouseY;  
var popup_mouseposX;  
var popup_mouseposY;  
var popup_oldfunction;  
function popup_display(x)  
{  
  var win = window.open();  
  for (var i in x) win.document.write(i+' = '+x[i]+'<br>');  
}  
function popup_mousedown(e)  
{  
  var ie = navigator.appName == "Microsoft Internet Explorer";  
  if ( ie  &&  window.event.button != 1) return;  
  if (!ie  &&  e.button            != 0) return;  
  popup_dragging = true;  
  popup_target   = this['target'];  
  popup_mouseX   = ie ? window.event.clientX : e.clientX;  
  popup_mouseY   = ie ? window.event.clientY : e.clientY;  
  if (ie)  
       popup_oldfunction = document.onselectstart;  
  else popup_oldfunction  = document.onmousedown;  
  if (ie)  
       document.onselectstart = new Function("return false;");  
  else document.onmousedown   = new Function("return false;");  
}  
function popup_mousemove(e)  
{  
  if (!popup_dragging) return;  
  var ie      = navigator.appName == "Microsoft Internet Explorer";  
  var element = document.getElementById(popup_target);  
  var mouseX = ie ? window.event.clientX : e.clientX;  
  var mouseY = ie ? window.event.clientY : e.clientY;  
  element.style.left = (element.offsetLeft+mouseX-popup_mouseX)+'px';  
  element.style.top  = (element.offsetTop +mouseY-popup_mouseY)+'px';  
  popup_mouseX = ie ? window.event.clientX : e.clientX;  
  popup_mouseY = ie ? window.event.clientY : e.clientY;  
}  

function popup_mouseup(e)  
{  
  if (!popup_dragging) return;  
  popup_dragging = false;  
  var ie = navigator.appName == "Microsoft Internet Explorer";  
  var element = document.getElementById(popup_target);  
  if (ie)  
       document.onselectstart = popup_oldfunction;  
  else document.onmousedown   = popup_oldfunction;  
}  
function popup_exit(e)  
{  
  var ie = navigator.appName == "Microsoft Internet Explorer";  
  var element = document.getElementById(popup_target);  
  popup_mouseup(e);  
  element.style.visibility = 'hidden';  
  element.style.display    = 'none';  
}  
function popup_show()  
{  
  element      = document.getElementById('popup');  
  drag_element = document.getElementById('popup_drag');  
  exit_element = document.getElementById('popup_exit');
  element.style.position   = "absolute";  
  element.style.visibility = "visible";  
  element.style.display    = "block"; 
  element.style.left = (document.documentElement.scrollLeft+popup_mouseposX-400)+'px';  
  element.style.top  = (document.documentElement.scrollTop +popup_mouseposY+10)+'px';  
	
  drag_element['target']   = 'popup';  
  drag_element.onmousedown = popup_mousedown;  
  exit_element.onclick     = popup_exit;  
}  
function popup_mousepos(e)  
{  
  var ie = navigator.appName == "Microsoft Internet Explorer";  
  popup_mouseposX = ie ? window.event.clientX : e.clientX;  
  popup_mouseposY = ie ? window.event.clientY : e.clientY;  
}  
if (navigator.appName == "Microsoft Internet Explorer")  
     document.attachEvent('onmousedown', popup_mousepos);  
else document.addEventListener('mousedown', popup_mousepos, false);  
if (navigator.appName == "Microsoft Internet Explorer")  
     document.attachEvent('onmousemove', popup_mousemove);  
else document.addEventListener('mousemove', popup_mousemove, false);  
if (navigator.appName == "Microsoft Internet Explorer")  
     document.attachEvent('onmouseup', popup_mouseup);  
else document.addEventListener('mouseup', popup_mouseup, false); 

//for msg
var xmlHttp = false;
try {
  xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
  try {
    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (e2) {
    xmlHttp = false;
  }
}
if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
  xmlHttp = new XMLHttpRequest();
}
 
function callServer() {
	var toEmail	= document.getElementById("recEmail").value.removeSpaces(); 
	var yourEmail = document.getElementById("email").value;
	var comment	= document.getElementById("message").value;
	var commentLength = 500;
  	var pName = document.getElementById("pName").value;
  	if ( toEmail != "" && yourEmail != "") { 
	                if (!(isValidEmail(toEmail))) {
						document.getElementById("sendInst").innerHTML = "Please enter a valid Email Address.";					
						document.emailForm.recEmail.focus();						
						return;
					}
	                if (!(isValidEmail(yourEmail))) {
						document.getElementById("sendInst").innerHTML = "Please enter a valid Email Address.";					
						document.emailForm.email.focus();
						return; 
					}
					if ((isValidEmail(toEmail)) && (isValidEmail(yourEmail))) {
						if (comment.length > commentLength) {
							document.getElementById("sendInst").innerHTML = "Comments should be less than 500 characters";					
							return;
						} else {
									if ( document.emailForm.copy.checked == true ) {
										allEmail =toEmail+","+yourEmail;
									//alert(toEmail);
									}else{
										allEmail =toEmail;	
									}
							//valid = true;
						}
						
					} else {
						return;
					}
			}
			else {
					document.getElementById("sendInst").innerHTML = "Please fill out all of the fields above.";					
	                return;
			}
  //alert(pName);

	  var url = "mail.php?message=" +comment+"&url="+ location.href+"&email="+yourEmail+"&recEmail="+allEmail+"&pName="+pName;
	  xmlHttp.open("GET", url, true);
	  xmlHttp.onreadystatechange = updatePage;
	  xmlHttp.send(null);  

}
 
function updatePage() {
  if (xmlHttp.readyState < 4) {
	msg.innerHTML="sending...";
  }
  if (xmlHttp.readyState == 4) {
    var response = xmlHttp.responseText;
	msg.innerHTML=response;
  }
}

function del_txt() {
	document.getElementById("email_from").value="";
	
}
function del_txt2() {

	document.getElementById("email_to").value="";
}


String.prototype.removeSpaces = function() {
	return this.replace(/\s/g,'');
}	
	
function isValidEmail(str) {
		var filter = /^([a-zA-Z0-9_.-/+])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,6})$/;
		return (filter.test(str));
	}