function creaSwf(w,h,file){
document.write("<object width='"+w+"' height='"+h+"' viewastext='' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0' classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000'>");
document.write("<param value='"+file+"' name='movie'/>");
document.write("<param value='transparent' name='wmode'/>");
document.write("<param value='high' name='quality'/>");
document.write("<embed width='"+w+"' height='"+h+"' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' quality='high' src='"+file+"' wmode='transparent'/>");
document.write("</object>");
}