function InsertarFlash(ancho,alto,archivo_swf,flashvars) {

    document.write("<object id='inicio'")+
    document.write("classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000'")+
    document.write("codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0'")+
    document.write("width='" + ancho + "'")+
    document.write("height='" + alto + "'>")+
    document.write("<param name='movie' value='" + archivo_swf + "'>")+
    document.write("<param name='menu' value='false'>")+
    document.write("<param name='quality' value='high'>")+
    document.write("<param name='wmode' value='transparent'>")+
    document.write("<param name='flashvars' value='" + flashvars + "'>")+
    document.write("<embed src='" + archivo_swf + "'")+
    document.write("menu='false'")+
    document.write("quality='high'")+
    document.write("wmode='transparent'")+
    document.write("width='" + ancho + "'")+
    document.write("height='" + alto + "'")+
    document.write("flashvars='" + flashvars + "'")+
    document.write("type='application/x-shockwave-flash'") +
    document.write("pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash'>")+
    document.write("</embed>")+
    document.write("</object>");

}