//  TITLE:  Right-click Remove
//  Task:   Removes right click functionality from web pages 
//  Author: Adam Smith - from http://www.js-examples.com
//  Date:   Apr 2, 2009
//  Resource:   http://www.js-x.com/page/javascripts__example.html?view=1072


/********************** page communication **********************/

// slide the background by using the ID of the object to change
// if (document.all||document.getElementById)
//   window.onload=new Function('setInterval("bgSlide(\'imag\')",3000)')
  
// slide the page background
// if (document.all||document.getElementById)
//   window.onload=new Function('setInterval("bgSlide()",3000)')

// slide images by 2 images layered over each other
// if (document.all||document.getElementById)
//   window.onload=new Function('setInterval("ImageSlide(\'Img1\',\'Img2\', 400)",3000)')


/********************** functions **********************/

// Get the image listing for the function
// var bgimages=new Array()
// bgimages[0]="resources/1.bmp"
// bgimages[1]="resources/2.bmp"
// bgimages[2]="resources/3.bmp"

// preload images
//var pathToImg = new Array()
//for (i = 0; i < bgimages.length; i++)
//{
//  pathToImg[i]=new Image()
//  pathToImg[i].src = bgimages[i]
//}

var inc = -1

function elementSlide(elementId)
{
  if (inc < bgimages.length - 1)
    inc++
  else
    inc = 0
    
    document.getElementById(elementId).src = pathToImg[inc].src
}

function bgSlide()
{
  if (inc < bgimages.length - 1)
    inc++
  else
    inc = 0
    
    document.body.background = pathToImg[inc].src
}


///////////////////////////////
// http://www.brainerror.net/scripts/javascript/blendtrans/

function BlendImageByBackground(divid, imageid, imagefile, millisec) { 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
     
    //set the current image as background 
    document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")"; 
     
    //make image transparent 
    changeOpac(0, imageid); 
     
    //make new image 
    document.getElementById(imageid).src = imagefile; 

    //fade in image 
    for(i = 0; i <= 100; i++) { 
        setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
        timer++; 
    } 
} 

function BlendImageByImage(origImageId, newImageId, imagefile, millisec) { 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
     
    //make old image 
    document.getElementById(origImageId).src = document.getElementById(newImageId).src; 
     
    //make image transparent 
    changeOpac(0, newImageId); 
     

    //make new image 
    document.getElementById(newImageId).src = imagefile; 

    //fade in image 
    for(i = 0; i <= 100; i++) { 
        setTimeout("changeOpac(" + i + ",'" + newImageId + "')",(timer * speed)); 
        timer++; 
    } 
} 

function ImageSlide(origImageId, newImageId, millisec)
{
  if (inc < bgimages.length - 1)
    inc++
  else
    inc = 0
    
    BlendImageByImage(origImageId, newImageId, pathToImg[inc].src, millisec)
}



function shiftOpacity(id, millisec) { 
    //if an element is invisible, make it visible, else make it ivisible 
    if(document.getElementById(id).style.opacity == 0) { 
        opacity(id, 0, 100, millisec); 
    } else { 
        opacity(id, 100, 0, millisec); 
    } 
} 

function opacity(id, opacStart, opacEnd, millisec) { 
    //speed for each frame 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 

    //determine the direction for the blending, if start and end are the same nothing happens 
    if(opacStart > opacEnd) { 
        for(i = opacStart; i >= opacEnd; i--) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } else if(opacStart < opacEnd) { 
        for(i = opacStart; i <= opacEnd; i++) 
            { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } 
} 

//change the opacity for different browsers 
function changeOpac(opacity, id) { 
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")"; 
}