// Common Dreamweaver Functions

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// Custom Wizard Functions 

function toggleLayer(whichLayer)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		if (document.getElementById(whichLayer).style.display == "block"){
			document.getElementById(whichLayer).style.display = "none";
		}else{
			document.getElementById(whichLayer).style.display = "block";
		}
		
	}
	
}



// Quick and Dirty form validation
function validate_create(){

	var valid = true;
	var errMessage = "";
	
		if ( document.forms["createaccount"].elements["rUsername"].value == "" )
        {
                errMessage = errMessage + "Please enter a valid username.\n";
                valid = false;
        }
        
        if ( document.forms["createaccount"].elements["rPassword"].value == "" )
        {
                errMessage = errMessage + "Please enter a valid password.\n" ;
                valid = false;
        }

		if ( document.forms["createaccount"].elements["rConfirmPassword"].value != document.forms["createaccount"].elements["rPassword"].value)
        {
                errMessage = errMessage + "Your passwords do not match. Please re-confirm password.\n";
                valid = false;
        }
  
        if ( document.forms["createaccount"].elements["rStaffNumber"].value == "" )
        {
                errMessage = errMessage + "Please enter your Staff Id.\n";
                valid = false;
        }


  
        if ( document.forms["createaccount"].elements["rNHSTrustId"].value == "" )
        {
                errMessage = errMessage + "Please enter your NHS Trust or DVLA Office.\n";
                valid = false;
        }
		
		if (errMessage.length != 0){
			alert(errMessage);
			valid = false;
		}
        return valid;
}

// Quick and Dirty form validation
function validate_login(){

	var valid = true;
	var errMessage = "";

		if ( document.forms["LogIn"].elements["mUsername"].value == "" )
	    {
	            errMessage = errMessage + "Please enter your username.\n";
	            valid = false;
	    }
	
	    if ( document.forms["LogIn"].elements["mPassword"].value == "" )
	    {
	            errMessage = errMessage + "Please enter your password.\n";
	            valid = false;
	    }		
		if (errMessage.length != 0){
			alert(errMessage);
			valid = false;
		}
        return valid;
}