var pathTxt = "content/event_calendar/gallery/";
var altTxt = "Eseménynaptár.";
var imgWidth = "574px";
var imagenumber = 7 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = pathTxt + "001.jpg"
images[2] = pathTxt + "002.jpg"
images[3] = pathTxt + "003.jpg"
images[4] = pathTxt + "004.jpg"
images[5] = pathTxt + "005.jpg"
images[6] = pathTxt + "006.jpg"
images[7] = pathTxt + "007.jpg"
var image = images[rand1]
document.write('<img src="' + image + '" border="0" width="'+imgWidth+'" alt="'+altTxt+'" />');