// JScript File


function start()
{
timer = setInterval("changeImage()",30000);
}

function changeImage()
{
    
    var img1 = document.getElementById("image1");
    var random1 = Math.floor(Math.random()*20)+1;
    var newSrc = 'gallery/p0' + random1 + '.jpg';
    img1.src=newSrc;
    
    
    do
{
    var random2 = Math.floor(Math.random()*20)+1;
}
while (random2 == random1);
    var img2 = document.getElementById("image2");
    var newSrc = 'gallery/p0' + random2 + '.jpg';
    img2.src=newSrc;
  
    do
{
    var random3 = Math.floor(Math.random()*20)+1;
}
while (random3 == random1 || random3 == random2); 
    var img3 = document.getElementById("image3");
    
    var newSrc = 'gallery/p0' + random3 + '.jpg';
    img3.src=newSrc;
    
     do
{
    var random4 = Math.floor(Math.random()*20)+1;
}
while (random4 == random1 || random4 == random2 || random4 == random3); 
    var img4 = document.getElementById("image4");
    
    var newSrc = 'gallery/p0' + random4 + '.jpg';
    img4.src=newSrc;
    
} //end changeImage



    
  


    
    function show(show1)
{

    document.getElementById("welcome").style.display = "none";
    document.getElementById("services").style.display = "none";
    document.getElementById("aboutus").style.display = "none";
    document.getElementById("mapImage").style.display = "none";
    document.getElementById("mailBox").style.display = "none";
   
    var obj1 = document.getElementById(show1);
    

    obj1.style.display = "block";
    obj1.style.zindex = -1;
//    resize1();
    return false;
}
    
    
    
function showEmail(obj)
  {
     var tbxName22 = obj.id;
     var obj2 = document.getElementById("mailBox");
     obj2.style.display = "block";
     obj2.style.position = "absolute";
     obj2.style.zindex = -1100; 
     var dtBox = document.getElementById(tbxName22).parentNode;
     var tbx22 = document.getElementById(tbxName22);
     var posArray = getBrowserSize();
     obj2.style.left = (posArray[0] /2) + 'px';
     
     obj2.style.top = posArray[1] + 'px';
     return false;
}
function clearEmail()
{

    document.getElementById("tbxEmailMsg").value = "";
    document.getElementById("tbxEmailPhone").value = "";
    document.getElementById("tbxSubject").value = "CoffsBumpers.com.au Email Enquiry";
    document.getElementById("tbxFrom").value = "";
    

return false;
}

function hideEmail()
{
    var obj2 = document.getElementById("mailBox");
    obj2.style.display = "none";
    show('welcome');
    return false;
}

function getBrowserSize() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  return (myWidth,myHeight);
}