var imagen=new Array();
imagen[0]='../../imag/ima_zab.jpg';
imagen[1]='../../imag/ima_zab2.jpg';
imagen[2]='../../imag/ima_zab3.jpg';
imagen[3]='../../imag/ima_zab4.jpg';
imagen[4]='../../imag/ima_zab5.jpg';
imagen[5]='../../imag/ima_zab6.jpg';
imgRand.src=imagen[Math.floor(Math.random()*imagen.length)];