// top_image.js

// Javascript that randomly selects a top image to display from a list of images:

function showTopImage(set)
{
    if (set == "set1")
    {
        top_image = new Array();
        top_image[0]= "url(../images/top/set1/top_image1.jpg)";
        top_image[1]= "url(../images/top/set1/top_image2.jpg)";
        top_image[2]= "url(../images/top/set1/top_image3.jpg)";
        top_image[3]= "url(../images/top/set1/top_image4.jpg)";
        top_image[4]= "url(../images/top/set1/top_image5.jpg)";
        top_image[5]= "url(../images/top/set1/top_image6.jpg)";
        top_image[6]= "url(../images/top/set1/top_image7.jpg)";
        top_image[7]= "url(../images/top/set1/top_image9.jpg)";
        top_image[8]= "url(../images/top/set1/top_image9.jpg)";
    }
    
    if (set == "low_size")
    {
        top_image = new Array();
        
        top_image[0]= "url(../images/top/set1/top_image2.jpg)";
        top_image[1]= "url(../images/top/set1/top_image3.jpg)";       
        top_image[2]= "url(../images/top/set1/top_image6.jpg)";        
        top_image[3]= "url(../images/top/set1/top_image9.jpg)";
        top_image[4]= "url(../images/top/set1/top_image9.jpg)";
    }

    index = Math.floor(Math.random() * top_image.length);
    document.getElementById("top_image_table").style.backgroundImage=top_image[index]; 
    
}