function rowOverEffect(object) {
  if (object.className == 'moduleRow') object.className = 'moduleRowOver';
}

function rowOutEffect(object) {
  if (object.className == 'moduleRowOver') object.className = 'moduleRow';
}

function setQuantity(pcID, pnOperation, pnMin, pnMax)
{
	var lnCurrentQuantity = parseInt(document.getElementById(pcID).value);							  
	var lnNewQuantity     = lnCurrentQuantity ; 
	switch(pnOperation)
	{				   
		case 1:
			lnNewQuantity++	;
			if(lnNewQuantity > pnMax)
			{								
				lnNewQuantity = lnCurrentQuantity ;
			}
			break;
		case 2:
			lnNewQuantity-- ;
			if(lnNewQuantity < pnMin) 
			{
				lnNewQuantity = lnCurrentQuantity ;
			}
			break;
		default:
			if (lnCurrentQuantity > pnMax || lnCurrentQuantity < pnMin)
			{									 
				lnNewQuantity = pnMin ;
			}
			break;
	}
	document.getElementById(pcID).value = lnNewQuantity ;
}