function ValidateForm(){

 if (document.order.Qty.value=="" ) {
    alert("Please enter a quantity.")
   document.order.Qty.focus(); 
    return false;}
    
     if (document.order.Qty.value<=0 ) {
    alert("Please enter a quantity greater than 0.")
   document.order.Qty.focus(); 
    return false;}

 try{
   if (document.order.size.selectedIndex<=0) {
    alert("Please select a size.")
    document.order.size.focus(); 
    return false;}
    }catch(err){
     
    }

  try{
   if (document.order.color.selectedIndex<=0) {
    alert("Please select a color.")
    document.order.color.focus(); 
    return false;}
    }catch(err){
     
    }    
        
}