function rollover(image,source,folder,path,extension) {
    document.getElementById(image).src=path+'/'+folder+'/'+source+'_over.'+extension;
}
function rollout(image,source,folder,path,extension) {
    document.getElementById(image).src=path+'/'+folder+'/'+source+'.'+extension;
}

function rollover2(image,source,folder,path) {
    document.getElementById(image).src=path+'/'+'images/'+folder+'/'+source+'.gif';
}
function rollout2(image,source,folder,path) {
    document.getElementById(image).src=path+'/'+'images/'+folder+'/'+source+'.gif';
}

function preloadImages() {
    var d=document; 
    if(d.images) { 
        d.preload=new Array();
        var i;
        var a=preloadImages.arguments;
        for(i=0; i<a.length; i++) {
            d.preload[i]=new Image;
            d.preload[i].src=a[i];
        }
    }
}

function textFieldCheck(mandatory) {
    check=false;
    message='';
        
    for (i in mandatory) {
        if (document.getElementById(i).value=='') {
            message=message+mandatory[i]+', ';
            //alert ('One or more mandatory fields have not been completed. Please correct this to continue.');
            check=false;
            //break;
        }
        else {
            check=true;
        }
    }
    if (message!='') {
        message='The following required fields have not been completed: \n\n'+message;
        message_object=new String(message);
        message=message_object.substr(0,message_object.length-2);
        alert(message);
        check=false;
    }
    return check;
}



function emailCheck (emailStr) {
    var emailPat=/^(.+)@(.+)$/
    //var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]\\/\\?\\!\\£\\$\\%\\&\\#\\~\\*\\'\\|\\`\\=\\¬\\¦\\}\\{\\+\\^"
    //var validChars="\[\\s" + specialChars + "\]"
    var validChars="[a-zA-Z0-9_-]"
    var quotedUser="(\"[^\"]*\")"
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
    var atom=validChars + '+'
    var word="(" + atom + "|" + quotedUser + ")"
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
    var matchArray=emailStr.match(emailPat)
    if (matchArray==null) {
        alert("Email address seems incorrect (check @ and .'s)")
        return false
    }
    var user=matchArray[1]
    var domain=matchArray[2]

    if (user.match(userPat)==null) {
            alert("Email address doesn't seem to be valid.")
            return false
    }

    var IPArray=domain.match(ipDomainPat)
    if (IPArray!=null) {
      for (var i=1;i<=4;i++) {
        if (IPArray[i]>255) {
            alert("Email address has an invalid destination IP.")
        return false
        }
        }
     return true
    }
    var domainArray=domain.match(domainPat)
    if (domainArray==null) {
        alert("Email address has an invalid domain name")
        return false
    }

    var atomPat=new RegExp(atom,"g")
    var domArr=domain.match(atomPat)
    var len=domArr.length
    if (domArr[domArr.length-1].length<2 || 
            domArr[domArr.length-1].length>4) {
        alert("Email address must end in a three-letter or four-letter domain, or two letter country.")
        return false
    }
    if (len<2) {
         var errStr="Email address doesn't have a hostname." ;
         alert(errStr);
        return false;
        }
    return true;
}

loginOpen = false ;
function openCloseLogIn(){
	if(document.getElementById){
		loginDivVar = document.getElementById("loginBG");
		loginButVar = document.getElementById("loginBut");
		closeLoginButVar = document.getElementById("closeLoginBut");
		if (loginOpen){
			loginDivVar.style.display = "none";
			loginButVar.style.display = "block";
			closeLoginButVar.style.display = "none";
			loginOpen = false ;
		} else {
			loginDivVar.style.display = "block";
			loginButVar.style.display = "none";
			closeLoginButVar.style.display = "block";
			loginOpen = true ;
		}
	}
}

function initLogin(){
	loginButVar = document.getElementById("loginBut");
	loginButVar.style.display = "block";
}


// newsletter

function newsletterFocus(textField){
	if(textField.value=="Email address"){
		textField.value = "" ;
		textField.className = "inputText inputBlack" ;
	}	
}

function newsletterSignUp(form){

	if (form.newsletteremail.value == "") {
		alert("Please enter your email address!")
		return false
	}
 
	if (!emailCheck (form.newsletteremail.value)) {
		form.newsletteremail.focus()
		form.newsletteremail.select()
		return false
	}

	return true

}

// credit application

function creditDateFocus(textField){
	if(textField.value=="dd/mm/yyyy"){
		textField.value = "" ;
		textField.className = "formTextShort" ;
	}	
}

function openDiv(divId) {
    if (document.getElementById) {
        divElement = document.getElementById(divId);
        if (divClassArray[divId]){
            divElement.className = divClassArray[divId] ;
            divClassArray[divId] = false ;
        } else {
            divClassArray[divId] = divElement.className ;
            divElement.className += " expandOpen" ;
        }
        
    }
}

function add_to_shortlist(item) {
    item = escape(item);
    xmlhttp=setHTTPObject();
    var url = "http://www.silvercross.com.au/include/application_shortlist.php5";
    xmlhttp.open("POST", url, false);
    xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xmlhttp.setRequestHeader("Connection", "close");
    xmlhttp.send("action=add&item="+item);
    
    document.getElementById('shortlist_repsonse').innerHTML='updated';
}

function remove_from_shortlist(item) {
    item = escape(item);
    xmlhttp=setHTTPObject();
    var url = "http://www.silvercross.com.au/include/application_shortlist.php5";
    xmlhttp.open("POST", url, false);
    xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xmlhttp.setRequestHeader("Connection", "close");
    xmlhttp.send("action=remove&item="+item);
    
    document.location.href="http://www.silvercross.com.au/shortlist.php";
    //getContent(url,"shortlist_repsonse");
} 

function setHTTPObject() {
     var xmlhttp=false;
    /*@cc_on @*/
    /*@if (@_jscript_version >= 5)
    // JScript gives us Conditional compilation, we can cope with old IE versions.
    // and security blocked creation of the objects.
     try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (e) {
      try {
       xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
       xmlhttp = false;
      }
     }
    @end @*/
    if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
        try {
            xmlhttp = new XMLHttpRequest();
        } catch (e) {
            xmlhttp=false;
        }
    }
    if (!xmlhttp && window.createRequest) {
        try {
            xmlhttp = window.createRequest();
        } catch (e) {
            xmlhttp=false;
        }
    }
    return xmlhttp;
}

var queue = new Array();
function getContent(url, target) {
     queue.push(new Array(url,target));
     processQueue();
}

var url;
var target;
var busy;
var xmlhttp;

function processQueue() {
     if(busy) return;
     if(queue.length == 0) return;
     busy = true;
     var item = queue.pop();
     url = item[0];
     target = item[1];
     xmlhttp=setHTTPObject();
     xmlhttp.open("GET", url, true);
     xmlhttp.onreadystatechange=function() {
       if (xmlhttp.readyState==4) {
             document.getElementById(target).innerHTML = xmlhttp.responseText;
             busy = false;
             processQueue();
        }
     }
     xmlhttp.send(null);
}