// clase para detección de navegador
function lib_bwcheck(){ //Browsercheck (needed)
        this.ver=navigator.appVersion; this.agent=navigator.userAgent
        this.dom=document.getElementById?1:0
        this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
        this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0;
        this.ie4=(document.all && !this.dom)?1:0;
        this.ie=this.ie4||this.ie5||this.ie6
        this.mac=this.agent.indexOf("Mac")>-1
        this.opera5=this.agent.indexOf("Opera 5")>-1
        this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0;
        this.ns4=(document.layers && !this.dom)?1:0;
        this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5 || this.dom)
        return this
}
var bw=new lib_bwcheck()

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];}
}
// pager create
function pager () {
	var cat_id = arguments[0] ;
	var url = arguments[1] ;
	var page = arguments[3] ;
	
	url += "pager-" + cat_id + "-" ;
	url += page + ".html" ;
	window.location = url ;
}
function pagersearch () {
	var url = arguments[0] ;
	var page = arguments[2] ;
	
	url += "-" + page + ".html" ;
	window.location = url ;
}
var cadenaItems="";
//add items to chain insert
function addItemsToChain(items, obj)
{
 	if(obj.checked==true) 
 	{
	   cadenaItems.replace(items+'-','');
	   cadenaItems=cadenaItems+items+"-";
	}else
	{
	  cadenaItems.replace(items+'-','');
	}
}

// add to cart
function addToCart (item_id) {
	var frm = bw.ie4?document.all['formShopCart']:document.getElementById('formShopCart') ;
	if(frm) {
		frm.item_id.value = item_id ;
		frm.submit () ;
	}
}
// cart action 
function cartActions (action) {
	var frm = bw.ie4?document.all['formShopCart']:document.getElementById('formShopCart') ;
	if(frm) {
		frm.func.value = action ;
		frm.submit () ;		
	}
}
// remove item
function removeItem (item_id) {
	var frm = bw.ie4?document.all['formShopCart']:document.getElementById('formShopCart') ;
	if(frm) {
		frm.func.value = 'remove' ;
		frm.item_id.value = item_id ;
		frm.submit () ;		
	}
}
// remove item
function removeItemColour (item_id, color_id) {
	var frm = bw.ie4?document.all['formShopCart']:document.getElementById('formShopCart') ;
	if(frm) {
		frm.func.value = 'removec' ;
		frm.item_id.value = item_id ;
		frm.color_id.value = color_id ;
		frm.submit () ;		
	}
}