function Td()
{ 
	this.align = "center";
	this.valign = "top";
	this.className = "comm_t";
	this.width = "";
	this.render = function()
				  {
						var td = document.createElement('td');
							td.setAttribute("align",this.align);
							td.className = this.className;
							if (this.valign.length>0) td.setAttribute("valign",this.valign);
							if (this.width.length>0) td.setAttribute("width",this.width);
                           return td;
						}
	
	}