function isNumeric(co) {
  var RegExp = /^(-)?(\d*)(\.?)(\d*)$/;
  var res = co.toString().match(RegExp);
  return res;
}

function validEmail(m){
  var ret = true;
  if (m == ""){return false;}
  var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
  if (!filter.test(m)){ret = false;}
  return ret;
}

function trim(str){
  if (!str){return "";}
  if (str == ""){return "";}
  return str.replace(/^\s+|\s+$/g,"");
}

function getAjax(){
  if (window.XMLHttpRequest){return new XMLHttpRequest();}else if(window.ActiveXObject){return new ActiveXObject("Microsoft.XMLHTTP");}
  return null;
}

var serverURL = "http://www.theawristocrat.com/";
var selectedColor = 0;
var selectedSide = "";
var productUrlName = "";
var productId = 0;

function rateItem(pid){
 var url = serverURL + "jscript/rateItem.php?id=" + pid.toString();
 var width = 550;
 var height = 400;
 newWin = window.open(url,'rateItem','left='+((screen.width-width)/2.1)+',top='+((screen.height-height)/2)+',menubar=0,scrollbars=0,status=0,location=0,resizable=0,width='+ width.toString() +',height=' + height.toString());
 newWin.focus();
}

function changeImageClearDesc(){
  try {
    var txt = document.getElementById("imageDesc");
    txt.innerHTML = " ";
  }catch(er){}
}

function changeColorImageById(cid,cname){
  if (cid == 0 || cid == selectedColor){return;}
  var img;
  try {img = document.getElementById("productMainImage");}catch(er){}
  if (img == null){return;}
  selectedColor = cid;
  var link = serverURL + "stock/products/thumb/" + cname + "/" + productUrlName + ".jpg";
  img.src = link;
  if (document.getElementById('imageDesc') != null){document.getElementById('imageDesc').innerHTML = 'Please wait while loading image';}
  if (document.getElementById('selcolor') != null){
    var sel = document.getElementById('selcolor');
    for(i=0;i<sel.length;i++){
       sel.options[i].selected = false;
       if (sel.options[i].value == cid){sel.options[i].selected = true;}
    }
  }
}

function enlargeCartItem(pid,did){
 var url = serverURL + "jscript/enlarge.php?pid=" + pid.toString() + "&did=" + did.toString();
 var width = 360;
 var height = 420;
 newWin = window.open(url,'enlargeItem','left='+((screen.width-width)/2.1)+',top='+((screen.height-height)/2)+',menubar=0,scrollbars=0,status=0,location=0,resizable=0,width='+ width.toString() +',height=' + height.toString());
 newWin.focus();
}

function showTermsWindow(){
 var url = serverURL + "jscript/terms.php";
 var width = 550;
 var height = 600;
 newWin = window.open(url,'termsWindow','left='+((screen.width-width)/2.1)+',top='+((screen.height-height)/2)+',menubar=0,scrollbars=0,status=0,location=0,resizable=0,width='+ width.toString() +',height=' + height.toString());
 newWin.focus();
}

function enlargeProductImage(){
 var el = document.getElementById("productMainImage");
 if (!el){return;}
 var url = el.src;
 if (url == ""){return;}
 url = serverURL + "jscript/enlargeproduct.php?src=" + escape(url);
 var width = 360;
 var height = 420;
 newWin = window.open(url,'enlargeItem','left='+((screen.width-width)/2.1)+',top='+((screen.height-height)/2)+',menubar=0,scrollbars=0,status=0,location=0,resizable=0,width='+ width.toString() +',height=' + height.toString());
 newWin.focus();
}

function showMoreImages(id){
 var url = serverURL + "jscript/moreimages.php?id=" + id.toString();
 var width = 550;
 var height = 600;
 newWin = window.open(url,'moreImagesWindow','left='+((screen.width-width)/2.1)+',top='+((screen.height-height)/2)+',menubar=0,scrollbars=0,status=0,location=0,resizable=0,width='+ width.toString() +',height=' + height.toString());
 newWin.focus();
}