function DataColumn(id, copy, categories)
{
	this.id = id;
	this.copy = copy;
	this.categories = categories;
}

DataColumn.prototype.display = function()
{
	var column = Utilities.createElement("div", {
      id: 'column'+ this.id,
      className: 'column ' + this.categories,
	  innerHTML: this.copy
      });
	
	//column.style.width = this.width + "em";
	return column;
}