function Toggle(item) {
   	 obj=document.getElementById(item);
   	 visible=(obj.style.display!="none")
     if (visible) {
       obj.style.display="none";
     } else {
        obj.style.display="block";
     }
}


NS4 = (document.layers) ? true : false;

function checkEnter(event)
{ 	
	var code = 0;
	
	if (NS4)
		code = event.which;
	else
		code = event.keyCode;
	if (code==13)
		document.login.submit();
}

function setPreviousOption(ID, price, currency, previous_value, option_array_IDs, option_array_notes, option_array_prices){ 	
		
	//alert('previous_value'+previous_value);
	
	if(previous_value != 1) { 
		  var next_value = previous_value;
			next_value--;
			
      //alert('next_value'+next_value);
      
      var formReference = document.getElementById('add_to_cart_'+ID);		
      
      formReference.options_1_index.value = next_value;
      formReference.ID.value = option_array_IDs[next_value];	
      formReference.options_1_name.value = option_array_notes[next_value];
      
      if(next_value==1) {
        newPrice=price;
        } else if(next_value==2){
        newPrice=Math.floor(price*1.4);
        }	else {
        newPrice=price*(next_value-1);
      }
      
      //set price
      if(document.getElementById){
        currency='€';
        
        var priceReference = document.getElementById('productPrice_'+ID);
        priceReference.innerHTML=newPrice+'.00 '+currency;
        //alert('productPrice_'+ID);
			}		
			
			 
	}
	
}



function setNextOption(ID, price, currency, previous_value, option_array_IDs, option_array_notes, option_array_prices){ 	
	
	//alert('previous_value'+previous_value);
	
	if(previous_value != 13) { 
		  var next_value = previous_value;
			next_value++;
			
		//alert('next_value'+next_value);
		
		var formReference = document.getElementById('add_to_cart_'+ID);		
		
		formReference.options_1_index.value = next_value;
		formReference.ID.value = option_array_IDs[next_value];	
		formReference.options_1_name.value = option_array_notes[next_value];
				
		//calculate price
  	if(next_value == 1){
  			newPrice=price;
  	}else if(next_value == 2){
  			newPrice=Math.floor(price*1.4);
  	}else{
  			newPrice=price*(next_value-1);
  	}
		
		//set price
		if(document.getElementById){
			currency='€';
			var priceReference = document.getElementById('productPrice_'+ID);
			priceReference.innerHTML=newPrice+'.00 '+currency;

			//alert('productPrice_'+ID);
		}
		
	}

}