// IFADirectory Javascript Functions

// Cookie Functions
/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
function deleteCookie(name, path, domain)
{
    if (getCookie(name))
    {
        document.cookie = name + "=" + 
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

// End Cookie Functions

// functions to handle search type

function searchselect(cell){
	// Set the colour class
	simple.className="inactiverep";
	advanced.className="inactiverep";
	cell.className="activerep";
	
	// Show the relevant div tag
	simplesection.className="rephidden";
	advancedsection.className="rephidden";

	
	if (cell.id=="simple"){
		simplesection.className="repshow";
		setCookie("search","simple");
		
	}
	
	if (cell.id=="advanced"){
		advancedsection.className="repshow";
		setCookie("search","advanced");
	}
	
}

//Onload search function to select correct search		
function loadsearch(){
	// Set the colour class
	var cell = getCookie("search");
	simple.className="inactiverep";
	advanced.className="inactiverep";
	
	// Show the relevant div tag
	simplesection.className="rephidden";
	advancedsection.className="rephidden";
	
	if (cell=="simple"){
		simplesection.className="repshow";
		simple.className="activerep";
	}
	
	if (cell=="advanced"){
		advancedsection.className="repshow";
		advanced.className="activerep";
	}
	
	if (cell==null){
		simplesection.className="repshow";
		simple.className="activerep";
	}
	
}

// Check passwords match
function checksame(){	
var pass1 = document.register2.password1.value;
var pass2 = document.register2.password2.value;
if(pass1 != pass2){
		alert("Passwords are not the same");
		document.register2.password1.value="";
		document.register2.password2.value="";
		document.register2.password1.focus();
		}
else {return false;}
}

//Check registration form
//Register2 pages
function checkregister2(){
	var msg = "Some fields have not been completed, see below:-\n\n";
	
	if(document.register2.emailaddress.value==""){
		msg += " Email Address is required\n";	
	}
	if(document.register2.password1.value==""){
		msg += " Password is required\n";	
	}
	if(document.register2.password2.value==""){
		msg += " Confirm Password is required\n";	
	}
	if(document.register2.passwordreminder.value==""){
		msg += " Password Reminder Phrase is required\n";	
	}
	if(msg=="Some fields have not been completed, see below:-\n\n"){
		return true;
	}
	else{
		alert(msg);
		return false;
	}
}



// Toggle the registration form between enhanced and standard mode
function changeform(){
	var state = document.register3.listingtype.value;
	
	if(state=="Enhanced"){
		website.className="enhanced";
		emailaddress.className="enhanced";
		specialism.className="enhanced";
		enhancesave.className="enhanced";
		stdsave.className="rephidden";
	}
	if(state=="Standard"){
		website.className="rephidden";
		emailaddress.className="enhanced";
		specialism.className="rephidden";
		enhancesave.className="rephidden";
		stdsave.className="enhanced";
	}
	
}

//Check registration form
//Register3 pages
function checkregister3(){
	var msg = "Some fields have not been completed, see below:-\n\n";
	
	if(document.register3.businessname.value==""){
		msg += " Business Name is required\n";	
	}
	if(document.register3.businessaddress.value==""){
		msg += " Address is required\n";	
	}
	if(document.register3.postcode.value==""){
		msg += " Postcode is required\n";	
	}
	if(document.register3.telephone.value==""){
		msg += " Telephone is required\n";	
	}
	if(document.register3.fax.value==""){
		msg += " Fax is required\n";	
	}
	if(document.register3.busemail.value==""){
		msg += " Email Address is required\n";	
	}
	if(msg=="Some fields have not been completed, see below:-\n\n"){
		document.register3.back2.value="";
		document.register3.submit();
		return true;
	}
	else{
		alert(msg);
		return false;
	}
}

//Check login form
//Register2 pages
function checklogin(){
	var msg = "Some fields have not been completed, see below:-\n\n";
	
	if(document.login.emailaddress.value==""){
		msg += " Email Address is required\n";	
	}
	if(document.login.password1.value==""){
		msg += " Password is required\n";	
	}
	if(msg=="Some fields have not been completed, see below:-\n\n"){
		return true;
	}
	else{
		alert(msg);
		return false;
	}
}