function AddProduct(productID,site_url){ 
  var url = site_url+"orders/getCart.asp?productID="+productID;  
  if (document.getElementById("div_cart")){
     new Ajax.Updater("div_cart", url, {asynchronous:true, evalScripts:true});  
  }   
}
function AddAdditions(productID,site_url){
 var str_additions=""
 var str_addTying=""
 
 if (document.getElementById("isCheck")){str_additions="_" + document.getElementById("isCheck").value;}
 if (document.getElementById("isCheckTying")){str_addTying="_" + document.getElementById("isCheckTying").value;}  
 var url = site_url+"orders/getCart.asp?productID="+productID+"&str_additions="+str_additions+"&str_addTying="+str_addTying;  
 if (document.getElementById("div_cart")){
     new Ajax.Updater("div_cart", url, {asynchronous:true, evalScripts:true});
 }  
}