function check_entry(theForm) {
var output = "";
var allowed= new Array("0","1","2","3","4","5","6","7","8","9");
var keys = theForm.value;
var keylength = keys.length;
for (i=0; i<=keylength-1; i++){
var thekey = keys.charAt(i);
0
var exists = 0;
for (x in allowed){
var keyok = allowed[x];
if (thekey==keyok){
var exists = 1;
}
}

if (exists != 0){
var output = output + thekey;
}
}
theForm.value=output;
}


function ref_search(ref_obj,this_obj){
_obj=document.getElementById(ref_obj);
ref=_obj.value;
if (ref!=''){
this_obj.href=this_obj.href+ref;
return true;
}else{
alert('You have not entered a reference number!');
_obj.focus();
}
return false;
}

function dev_search(ref_obj,this_obj){
_obj=document.getElementById(ref_obj);
ref=_obj.value;
if (ref!=''){
this_obj.href=this_obj.href+ref;
return true;
}else{
alert('You have not selected a development to search for!');
_obj.focus();
}
return false;
}

function parameters(){
var l = document.location.href;
//l="test?order=123&test=9876&qaz=dedee";
var m=l.split("?");
a=new Array();
if (m.length==2){
var str=m[1];
x=str.split("&");
for(i=0;i<x.length;i++){
y=x[i].split("=");
a[y[0]]=y[1]; //key version
a[i]=new Array(y[0],y[1]); //num version
}
}
return a;
}



function parameters_to_string(input){
x="";
for(i=0;i<input.length;i++){
x+=input[i][0]+"="+input[i][1]+"&";
}
x=x.substr(0,x.length-1);
return x;
}


function parameters_replace(key,newvalue){
var p=parameters();
var e=0;
for(i=0;i<p.length;i++){
	if (p[i][0]==key){
	p[i][1]=newvalue;	
	e=1;
	}
}
if (e==0){
p[p.length]=new Array(key,newvalue);	
}
p[key]=newvalue;

return p;	
}


function order(obj,key,newvalue){
obj.value;
if (key!=null){
x=parameters_to_string(parameters_replace(key,obj.value));
var l = document.location.href;
var m=l.split("?");
if (m.length<=2){
document.location.href=(m[0]+"?"+x);
}
}	
}

function displayimage(obj,link){
f=$(obj).src=link;
return false;	
}



function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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];}
}
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];}}
}