function togSub(link) { 

var smenus = document.getElementsByTagName("ul"); 
for (i=0; i<smenus.length; i++){ 
	if(smenus[i].className == 'SubMenu'){ 
		if (smenus[i].style.display == 'block'){ 
			smenus[i].style.display='none'; 
		} 
	} 
} 

var sublist = link.parentNode.getElementsByTagName('ul')[0].style; 
sublist.display = (!sublist.display )? 'block' : ''; 

}