function createArray(myval)
{
	var a = new Array();
	var input = myval;

	// if it's not array create one so we can loop over it
	if (input.constructor.toString().indexOf("Array") == -1) {
		// to do - remove any spaces form commas separated list
		a = input.split(",");
	}
	else {
		a = input;
	}
	return a;
}

// 2005.12.14 pkelley/kyeo
// Changes the class to hidden which is defined in the css
// as Display: none
// Pass in a comma separated list/array/scalar of ids
function toggleDisplay(tag, display) 
{
	var a = new Array();
	a = createArray(tag);

	var id = "";
	var show = (display == "show") ? true : false;

	for (var i=0; i<a.length; i++) {
		id = document.getElementById(a[i]);
		if (id) {
			if (show) id.className = "";
			else id.className = "hidden";
		}
	}	
}