function cambiar(){
botones = new Array(144, "predicciones/p01", "predicciones/p02", "predicciones/p03", "predicciones/p04", "predicciones/p05", "predicciones/p06", "predicciones/p07", "predicciones/p08", "predicciones/p09", "predicciones/p10",
"predicciones/p11", "predicciones/p12", "predicciones/p13", "predicciones/p14", "predicciones/p15", "predicciones/p16", "predicciones/p17", "predicciones/p18", "predicciones/p19", "predicciones/p20", 
"predicciones/p21", "predicciones/p22", "predicciones/p23", "predicciones/p24", "predicciones/p25", "predicciones/p26", "predicciones/p27", "predicciones/p28", "predicciones/p29", "predicciones/p30", 
"predicciones/p31", "predicciones/p32", "predicciones/p33", "predicciones/p34", "predicciones/p35", "predicciones/p36", "predicciones/p37", "predicciones/p38", "predicciones/p39", "predicciones/p40", "predicciones/p41", "predicciones/p42", "predicciones/p43", "predicciones/p44", "predicciones/p45", "predicciones/p46", "predicciones/p47", "predicciones/p48", "predicciones/p49", "predicciones/p50", "predicciones/p51", "predicciones/p52", "predicciones/p53", "predicciones/p54", "predicciones/p55", "predicciones/p56", "predicciones/p57", "predicciones/p58", "predicciones/p59", "predicciones/p60", "predicciones/p61", "predicciones/p62", "predicciones/p63", "predicciones/p64", "predicciones/p65", "predicciones/p66", "predicciones/p67", "predicciones/p68", "predicciones/p69", "predicciones/p70", "predicciones/p71", "predicciones/p72", "predicciones/p73", "predicciones/p74", "predicciones/p75", "predicciones/p76", "predicciones/p77", "predicciones/p78", "predicciones/p79", "predicciones/p80", "predicciones/p81", "predicciones/p82", "predicciones/p83", "predicciones/p84", "predicciones/p85", "predicciones/p86", "predicciones/p87", "predicciones/p88", "predicciones/p89", "predicciones/p90", "predicciones/p91", "predicciones/p92", "predicciones/p93", "predicciones/p94", "predicciones/p95", "predicciones/p96", "predicciones/p97", "predicciones/p98", "predicciones/p99", "predicciones/p100", "predicciones/p101", "predicciones/p102", "predicciones/p103", "predicciones/p104", "predicciones/p105", "predicciones/p106", "predicciones/p107", "predicciones/p108", "predicciones/p109", "predicciones/p110", "predicciones/p111", "predicciones/p112", "predicciones/p113", "predicciones/p114", "predicciones/p115", "predicciones/p116", "predicciones/p117", "predicciones/p118", "predicciones/p119", "predicciones/p120", "predicciones/p121", "predicciones/p122", "predicciones/p123", "predicciones/p124", "predicciones/p125", "predicciones/p126", "predicciones/p127", "predicciones/p128", "predicciones/p129", "predicciones/p130", "predicciones/p131", "predicciones/p132", "predicciones/p133", "predicciones/p134", "predicciones/p135", "predicciones/p136", "predicciones/p137", "predicciones/p138", "predicciones/p139", "predicciones/p140", "predicciones/p141", "predicciones/p142", "predicciones/p143", "predicciones/p144");
ext = ".gif";
with (Math) {
c1 = ceil(random()*botones[0]);
};
document.images["casilla1"].src=botones[c1]+ext;
};
function volver(){
for (i=1; i<2; i++)
	document.images["casilla"+i].src="imagenes/B05.gif";
}
<!--
function MM_timelinePlay(tmLnName, myID) { //v1.2
  //Copyright 1997, 2000 Macromedia, Inc. All rights reserved.
  var i,j,tmLn,props,keyFrm,sprite,numKeyFr,firstKeyFr,propNum,theObj,firstTime=false;
  if (document.MM_Time == null) MM_initTimelines(); //if *very* 1st time
  tmLn = document.MM_Time[tmLnName];
  if (myID == null) { myID = ++tmLn.ID; firstTime=true;}//if new call, incr ID
  if (myID == tmLn.ID) { //if Im newest
    setTimeout('MM_timelinePlay("'+tmLnName+'",'+myID+')',tmLn.delay);
    fNew = ++tmLn.curFrame;
    for (i=0; i<tmLn.length; i++) {
      sprite = tmLn[i];
      if (sprite.charAt(0) == 's') {
        if (sprite.obj) {
          numKeyFr = sprite.keyFrames.length; firstKeyFr = sprite.keyFrames[0];
          if (fNew >= firstKeyFr && fNew <= sprite.keyFrames[numKeyFr-1]) {//in range
            keyFrm=1;
            for (j=0; j<sprite.values.length; j++) {
              props = sprite.values[j]; 
              if (numKeyFr != props.length) {
                if (props.prop2 == null) sprite.obj[props.prop] = props[fNew-firstKeyFr];
                else        sprite.obj[props.prop2][props.prop] = props[fNew-firstKeyFr];
              } else {
                while (keyFrm<numKeyFr && fNew>=sprite.keyFrames[keyFrm]) keyFrm++;
                if (firstTime || fNew==sprite.keyFrames[keyFrm-1]) {
                  if (props.prop2 == null) sprite.obj[props.prop] = props[keyFrm-1];
                  else        sprite.obj[props.prop2][props.prop] = props[keyFrm-1];
        } } } } }
      } else if (sprite.charAt(0)=='b' && fNew == sprite.frame) eval(sprite.value);
      if (fNew > tmLn.lastFrame) tmLn.ID = 0;
  } }
}