/**
 *  by Thomas Theilig
 */
 
 this.BlackLink = function(inBlack)
 {
	this.black = (inBlack) ? inBlack : "#000000";
	this.blackAs = new Array();
 }
 
 this.BlackLink.prototype._turnBlack = function(inAs)
 {
	var i;
	var j;
	var isNew;
	var isAllOld = true;
	
	for ( i = 0; i < inAs.length; i++ )
	{
		isNew = true;
		for ( j = 0; j < this.blackAs.length; j++ )
		{
			if (inAs[i] == this.blackAs[j])
			{
				isNew = false;
			}
		}
		if (isNew)
		{
			isAllOld = false;
		}
	}
	if (isAllOld)
	{
		return;
	}
	for ( i = 0; i < this.blackAs.length; i++ )
	{
		document.getElementById(this.blackAs[i]).style.color = "";
	}
	this.blackAs.length = 0;
	for ( i = 0; i < inAs.length; i++)
	{
		document.getElementById(inAs[i]).style.color = this.black;
		this.blackAs.push(inAs[i]);
	}
}