// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

function clearIf(obj, str)
{
	if( obj.value == str )
	{
		obj.value = "";
		return false;
	}
	return true;
}

function activateCoupon(elementId) {
	var theElement = $(elementId);

	if(!theElement.hasClassName('coupon-active')) {
		theElement.addClassName('coupon-active');
	}
}

function deactivateCoupon(elementId) {
	var theElement = $(elementId);

	if(theElement.hasClassName('coupon-active')) {
		theElement.removeClassName('coupon-active');
	}
}

function toggleCheckboxes(checkbox) {
// written by Daniel P 3/21/07
// toggle all checkboxes found on the page
  	var inputlist = document.getElementsByTagName("input");
  	for (i = 0; i < inputlist.length; i++) {
   	if ( inputlist[i].getAttribute("type") == 'checkbox' ) {	
   	  if (inputlist[i] == checkbox)
   	    continue;
   	    
			if (checkbox.checked)	
			  inputlist[i].checked = true;
			else 
			  inputlist[i].checked = false;
		}
	}
}