// JavaScript Document

function subMenu(x){
	var selectedClass = 'select'; //the CSS class that will select the link
	var additionalClass = ''; //the CSS class to be applied to add as aditional class
	
	//no need to edit beyond here
	var objPanel = x.getElementsByTagName('a');
	var subPanel = x.getElementsByTagName('ul');
	
	objPanel[0].className += ' '+selectedClass;
	if(subPanel[0].nodeName == 'UL'){
		if(subPanel[0].style.visibility != 'visible'){
			subPanel[0].style.visibility = 'visible';
		}
		else
		{
			subPanel[0].style.visibility = 'hidden';
			if(objPanel[0].className += ' '+selectedClass){
				objPanel[0].className = additionalClass;
			}
			else
			{
				objPanel[0].className = '';
			}
		}
	}
}