function tableruler()
{
	if (document.getElementById && document.createTextNode)
	{
		var tables=document.getElementsByTagName('table');
		for (var i=0;i<tables.length;i++)
		{
			if(tables[i].className=='dataTable')
			{
				var trs=tables[i].getElementsByTagName('tr');
				for(var j=0;j<trs.length;j++)
				{
					if(trs[j].parentNode.nodeName=='TBODY')
					{
						trs[j].onmouseover=function(){this.className='ruled';return false}
						trs[j].onmouseout=function(){this.className='';return false}
					}
				}
			}
		}
	}
}

function toggle ( targetId ) {
	if ( document.getElementById ) {
			target = document.getElementById ( targetId );
				if ( target.style.display == "none" ) {
					target.style.display = "block";
				} else {
					target.style.display = "none";
				}
	}
}

window.onload=function(){
	window.defaultStatus='Inspiring Gases, BOC education online';
}