function ChangeCat(cid){
window.location.href="?cid="+cid;
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
function PopupHTM(sPicURL) { 
window.open( sPicURL , "", "resizable=1,HEIGHT=500,WIDTH=400"); 
}
function PopupPic(sPicURL) { 
window.open( "/popup.htm?"+sPicURL , "", "resizable=0,HEIGHT=300,WIDTH=400"); 
}
function basket_update(remove_item){
if (remove_item){
document.getElementById(remove_item).value =1
}
document.getElementById("basket_update").submit();
}
// from rodney meyers
function qty_fix(elem,Increment,qMin,qMax) {
var ev=elem.value;
var permitted="1234567890";
permitted += Increment<1 ? "." : "";
ev=clean(ev,permitted);
if(ev<qMin){ev=qMin;}
else if(ev>qMax){ev=qMax;}
else if( (ev-qMin)/Increment != Math.ceil((ev-qMin)/Increment)){ev=1*qMin+Math.ceil((ev-qMin)/Increment)*Increment;}
elem.value=ev;
}//
function clean(str,permitted){
str=""+str;
var nchar,n;var out="";
for(n=0;n<str.length;n++)
	{
	nchar=str.charAt(n);
	out+=permitted.indexOf(nchar)>-1?nchar:"";
	}
return(out);
}
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_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_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 showcolourchart(aid,pid){	
colorboxLink("/products/pages/colourchart.php?aid="+aid+"&pid="+pid);
}

function updateoptions(aid,myvalue) {
	// get values
	var updatevalue=myvalue.split(",");
	var myprice = updatevalue[1];
	
	if (updatevalue[0]){
	
	// update price
	if (myprice) {
	document.getElementById(aid+"_price").firstChild.nodeValue="£ "+myprice;
	}	
	// update colour image
	var myurl = updatevalue[2];
	if (myurl) {
	document.getElementById(aid+"_img").src='/products/images/attributes/'+myurl;
	}
	document.getElementById(aid+"_qty").value=1;
	} else {
	// reset
	
	document.getElementById(aid+"_img").src='/products/images/attributes/spacer.gif';
	document.getElementById(aid+"_qty").value=0;	
	if (myprice) {
	document.getElementById(aid+"_price").firstChild.nodeValue="£ "+myprice;
	}	
	}
	
	
}