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";
		//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;
		}