//*********************************************************************
//	Functions used for loging in with a greyout background

//*********************************************************************
// Create a div to display the forms in
function show_register(){
	$("#capture_form").load('./includes/login/html/register.php',{},function(){
		hide_register_errors();
	});
	document.getElementById("login_form_wrapper").style.display="none";
	document.getElementById("capture_form").style.display="block";
	grayOut(true,{'opacity':'50'});
	scroll(0,0);
}

function try_register(){
	$("#capture_form").load('./includes/login/html/register_logic.php',{fname:$("#fname").val(),lname:$("#lname").val(),myusername:$("#myusername").val(),myusername2:$("#myusername2").val(),mypassword1:$("#mypassword1").val(),mypassword2:$("#mypassword2").val(),home_phone:$("#home_phone").val(),cell_phone:$("#cell_phone").val(),comments:$("#comments").val()});
}

//*********************************************************************
function hide_register(){
	document.getElementById("capture_form").style.display="none";
	document.getElementById("register").style.display="none";
	grayOut(false);
}

function hide_register_errors(){
	document.getElementById('fname_error').style.display="none";
	document.getElementById('lname_error').style.display="none";
	document.getElementById('myusername_error').style.display="none";
	document.getElementById('myusername2_error').style.display="none";
	document.getElementById('mypassword1_error').style.display="none";
	document.getElementById('mypassword2_error').style.display="none";
	document.getElementById('home_phone_error').style.display="none";
}

function hide_register_errors_alt1(){
	document.getElementById('fname_error').style.display="none";
	document.getElementById('lname_error').style.display="none";
	document.getElementById('myusername_error').style.display="none";
	document.getElementById('mypassword1_error').style.display="none";
	document.getElementById('mypassword2_error').style.display="none";
	document.getElementById('home_phone_error').style.display="none";
}

//*********************************************************************
function show_login(){
	$("#login_form_wrapper").load('./includes/login/html/login.php',{},function(){
		hide_login_errors();
	});
	document.getElementById("capture_form").style.display="none";
	document.getElementById("login_form_wrapper").style.display="block";
	grayOut(true);
	scroll(0,0);
}

function try_login(){
	$("#login_form_wrapper").load('./includes/login/html/login_logic.php',{myusername_login:$("#myusername_login").val(),mypassword:$("#mypassword").val()});
}

//*********************************************************************
function hide_login(){
	document.getElementById("login_form_wrapper").style.display="none";
	grayOut(false);
}

//*********************************************************************
function hide_login_errors(){
	document.getElementById('myusername_login_error').style.display="none";
	document.getElementById('mypassword_error').style.display="none";
}

//*********************************************************************
function login_test(){
	var $error=false;
	if(document.getElementById('myusername_login').value==''){
		$("#myusername_login_error").css('display','block');
		$error=true;			
	}else{ $("#myusername_login_error").css('display','none'); }
	
	if(document.getElementById('mypassword').value==''){	
		$("#mypassword_error").css('display','block');
		$error=true;			
	}else{ $("#mypassword_error").css('display','none'); }
	
	if($error){
		document.getElementById('login_form_wrapper').style.display="block";
		return false;
	}else{
		return true;
	}
}

//*********************************************************************
function check_vars(){			
	var $error=false;
	var myuser=document.getElementById('myusername');
	var myuser2=document.getElementById('myusername2');
	var mypass=document.getElementById('mypassword1');
	var mypass2=document.getElementById('mypassword2');
	
	if(document.getElementById('fname').value==''){
			$("#fname_error").css('display','block');
			$error=true;			
	}else{ $("#fname_error").css('display','none'); }

	if(document.getElementById('lname').value==''){	
			$("#lname_error").css('display','block');
			$error=true;			
	}else{$("#lname_error").css('display','none'); }
	
	if(myuser.value==''){
			$("#myusername_error").css('display','block');
			$error=true;
	}else{ $("#myusername_error").css('display','none'); }
	
	if(myuser2.value==''){
			$("#myusername2_error").css('display','block');
			$error=true;			
	}else{ $("#myusername2_error").css('display','none'); }
	// check if usernames are the same
	if(myuser.value!='' && myuser2.value != '' && myuser.value!=myuser2.value){
			$("#myuser_unequal").css('display','block');
			$error=true;
	}else{$("#myuser_unequal").css('display','none');}

	if(mypass.value==''){			
			$("#mypassword1_error").css('display','block');
			$error=true;			
	}else{ $("#mypassword1_error").css('display','none'); }
	
	if(mypass2.value==''){	
			$("#mypassword2_error").css('display','block');
			$error=true;			
	}else{ $("#mypassword2_error").css('display','none'); }

	// check if passwords are the same	
	if(mypass2.value!='' && mypass.value != '' && mypass.value!=mypass2.value){
			$("#mypass_unequal").css('display','block');
			$error=true;
	}else{$("#mypass_unequal").css('display','none');}

	if(document.getElementById('home_phone').value==''){
			$("#home_phone_error").css('display','block');
			$error=true;			
	}else{ $("#home_phone_error").css('display','none'); }
	
	if($error){
		document.getElementById('capture_form').style.display="block";
		return false;
	}else{
		return true;
	}
}

//*********************************************************************
function check_vars_alt1(){			
	var $error=false;
	var $error_msg = "Please Enter Your<br>";
	var myuser=document.getElementById('myusername');
	var mypass=document.getElementById('mypassword1');
	if(document.getElementById('fname').value==''){
			$error_msg+="- Name ";
			$("#error_message").css('dsiplay','block');
			$("#fname").css('outline','1px solid #cc0000');
			$("#fname").css('background','#FFE6E6');
			$error=true;			
	}else{ 
		$("#fname").css('outline','0px');
		$("#fname").css('background','white');
	}
		
	if(myuser.value==''){
			$error_msg+="- Email ";
			$("#error_message").css('dsiplay','block');
			$("#myusername").css('outline','1px solid #cc0000');
			$("#myusername").css('background','#FFE6E6');
			$error=true;			
	}else{ 
		$("#myusername").css('outline','0px');
		$("#myusername").css('background','white');
	}
	
	if(document.getElementById('home_phone').value==''){
			$error_msg+="- Phone ";
			$("#error_message").css('dsiplay','block');
			$("#home_phone").css('outline','1px solid #cc0000');
			$("#home_phone").css('background','#FFE6E6');
			$error=true;			
	}else{ 
		$("#myusername").css('outline','0px');
		$("#myusername").css('background','white');
	}
	
	if($error){
			$("#error_message").html($error_msg);
			$("#error_message").css('display','block');
		return false;
	}else{
			$("#error_message").css('display','none');
		return true;
	}
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		} while (obj = obj.offsetParent);
	}
		offset = new Array();
		offset['top'] = curtop;
		offset['left'] = curleft;
		return offset;
}
function getDocHeight() {
    var D = document;
    return Math.max(
        Math.max(D.body.scrollHeight, D.documentElement.scrollHeight),
        Math.max(D.body.offsetHeight, D.documentElement.offsetHeight),
        Math.max(D.body.clientHeight, D.documentElement.clientHeight)
    );
}
function grayOut(vis, options) {
  // Pass true to gray out screen, false to ungray
  // options are optional.  This is a JSON object with the following (optional) properties
  // opacity:0-100         // Lower number = less grayout higher = more of a blackout 
  // zindex: #             // HTML elements with a higher zindex appear on top of the gray out
  // bgcolor: (#xxxxxx)    // Standard RGB Hex color code
  // grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
  // Because options is JSON opacity/zindex/bgcolor are all optional and can appear
  // in any order.  Pass only the properties you need to set.
  var options = options || {}; 
  var zindex = options.zindex || 50;
  var opacity = options.opacity || .50;
  var opaque = (opacity * 100);
  var bgcolor = options.bgcolor || '#333';
  var dark=document.getElementById('darkenScreenObject');
  if (!dark) {
    // The dark layer doesn't exist, it's never been created.  So we'll
    // create it here and apply some basic styles.
    // If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
    var tbody = document.getElementsByTagName("body")[0];
    var tnode = document.createElement('div');           // Create the layer.
        tnode.style.position='absolute';                 // Position absolutely
        tnode.style.top='0px';                           // In the top
        tnode.style.left='0px';                          // Left corner of the page
        tnode.style.overflow='hidden';                   // Try to avoid making scroll bars            
        tnode.style.display='none';                      // Start out Hidden
        tnode.id='darkenScreenObject';                   // Name it so we can find it later
    tbody.appendChild(tnode);                            // Add it to the web page
    dark=document.getElementById('darkenScreenObject');  // Get the object.
  }
  if (vis) {

    //set the shader to cover the entire page and make it visible.
	/* 
    dark.style.opacity=opaque;                      
    dark.style.MozOpacity=opaque;                   
    dark.style.filter='alpha(opacity='+opacity+')'; 
    dark.style.opacity=0.50;                      
    dark.style.MozOpacity=0.50;                   
    dark.style.filter='alpha(opacity=50)'; 
	*/
    dark.style.zIndex=zindex;        
    dark.style.backgroundColor=bgcolor;  
    dark.style.width = '100%';
    dark.style.height = getDocHeight()+'px';;
    dark.style.display='block'; 
	$('#darkenScreenObject').fadeTo('fast', 0.7);

  } else {
     dark.style.display='none';
  }
}