function link_confirm(theLink, msg)
{
	var is_confirmed = confirm( msg );
	if (is_confirmed)
	{
		// Link in string kopieren
		var link = theLink.href;
		
		// testen ob # im String vorkommt
		var index = link.lastIndexOf('#');
		
		if( index < 0 )
		{
			// keine # im Link
			theLink.href += '&checked=1';
		}
		else
		{
			// # im Link
			var firstPart = link.substring(0, index );
			var lastPart = link.substring( index );
			
			firstPart += '&checked=1';
			theLink.href = firstPart + lastPart;
		}
	}
	
	return is_confirmed;
}