function setActiveInactiveValues(target, defaultText, inactiveCss, activeCss)
{
	if(!target) return;
	if(target.value == defaultText)
	{
		target.value = '';
		if(target.className != activeCss) {target.className = activeCss;}				
	}
	else
	{
		if( target.value == '')
		{
			target.value = defaultText;
			if(inactiveCss != '') { target.className = inactiveCss;}
		}
	}
	
}