// JavaScript Document
<!--
// ==============================================
// Copyright 2003 by jsCode.com
// Source: jsCode.com
// Author: etLux
// Free for all; but please leave in the header.
// ==============================================

// Set up the image files to be used.
var theImages = new Array() // do not change this
// To add more image files, continue with the
// pattern below, adding to the array. Rememeber
// to increment the theImages[x] index!

theImages[0] = 'images/intro_pic01.jpg'
theImages[1] = 'images/intro_pic02.jpg'
theImages[2] = 'images/intro_pic03.jpg'
theImages[3] = 'images/intro_pic04.jpg'



// ======================================
// do not change anything below this line
// ======================================

var j = 0
var p = theImages.length;

var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<a href="#partone" style="cursor:default; background-image:url('+theImages[whichImage]+')" class="bigPhoto"></a> ');

}
function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += 'Položka ('+nm+') je povinná.\n'; }
    } if (errors) alert('Nastaly následující chyby:\n'+errors);
    document.MM_returnValue = (errors == '');
} }
//-->