// JavaScript Document
function changeIt(objName)
{
//The image object accessed through its id we mentioned in the DIV block which is going to be visible currently
var obj = document.getElementById(objName);

//An array that hold the IDs of images that we mentioned in their DIV blocks
var objId = new Array();

//Storing the image IDs into the array starts here
objId[0] = "image1";
objId[1] = "image2";
objId[2] = "image3";
objId[3] = "image4";
objId[4] = "image5";
objId[5] = "image6";
objId[6] = "image7";
objId[7] = "image8";
objId[8] = "image9";
objId[9] = "image10";
objId[10] = "image11";
objId[11] = "image12";
objId[12] = "image13";
objId[13] = "image14";
objId[14] = "image15";
objId[15] = "image16";
objId[16] = "image17";
objId[17] = "image18";
objId[18] = "image19";
objId[19] = "image20";
objId[20] = "image21";
objId[21] = "image22";
objId[22] = "image23";
objId[23] = "image24";
objId[24] = "image25";
objId[25] = "image26";
objId[26] = "image27";
objId[27] = "image28";
objId[28] = "image29";
objId[29] = "image30";
objId[30] = "image31";
objId[31] = "image32";
objId[32] = "image33";
objId[33] = "image34";
objId[34] = "image35";
objId[35] = "image36";
objId[36] = "image37";
objId[37] = "image38";
objId[38] = "image39";
objId[39] = "image40";
objId[40] = "image41";




//Storing the image IDs into the array ends here

//A counter variable going to use for iteration
var i;

//A variable that can hold all the other object references other than the object which is going to be visible
var tempObj;

//The following loop does the display of a single image based on its ID. The image whose ID we passed into this function will be the
//only image that is displayed rest of the images will be hidden based on their IDs and that part has been handled by the else part
//of the if statement within this loop.
for(i=0;i<objId.length;i++)
{
if(objName == objId[i])
{
obj.style.display = "block";
}
else
{
tempObj = document.getElementById(objId[i]);
tempObj.style.display = "none"; 
}
}
return; 
}