function SetImg(Imagen){

document.all.tbRow.deleteCell(0);
document.all.abajo.deleteCell(0);

var elem;

//var myRow = document.all.Tbl.insertRow();
//var myCell = myRow.insertCell();

var myCell=document.all.tbRow.insertCell();
myCell.id="newCelda";

document.getElementById("newCelda").className = "cuerpo2";

var cadena;

var arr=Imagen.split(".");
var pdf=arr[0] + ".pdf";

cadena="<table width='100%' align='center' border='0' cellspacing='0' cellpadding='0'><TR ALIGN=CENTER VALIGN=TOP><TD COLSPAN=1 ROWSPAN=1 WIDTH=1></TD><TD COLSPAN=3 ROWSPAN=1>"
cadena=cadena + "<IMG SRC='catalogo/ofertas/images/" + Imagen + "'width='630' ALIGN=TOP BORDER=0></TD></TR>"
cadena=cadena + "<TR><TD colspan=4 align='center' valign='midle'><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"
cadena=cadena + "<A href='ofertas.htm' class='verinfo'> Volver <IMG SRC='images/volver.gif' border='0'></A>"
cadena=cadena + "<br><br></TD></TR>"
cadena=cadena + "</table>"

myCell.innerHTML = cadena; 

}