function topo(){
document.write("<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' width='790' height='298'>");
document.write("<param name='movie' value='flash/topo.swf'>");
document.write("<param name='quality' value='high'>");
document.write("<embed src='flash/topo.swf' quality='high' type='application/xshockwave-flash' width='790' height='298'></embed>");
document.write("</object>");
}