// JavaScript Document
which_image_loaded = 0;
NUMBER_OF_IMAGES = 7;

ImageNames = new Object();
ImageNames.length = NUMBER_OF_IMAGES - 1;
function getFirst()
{
	which_image_loaded = 0;
	//code change here starting.....
	document.getElementById("xx").disabled =1;
	document.getElementById("dd").disabled =1;
	document.getElementById("cc").disabled =0;
	document.getElementById("yy").disabled =0;
	//code change end here..
	document.myimage.src = ImageNames[which_image_loaded];

}
function getLast()
{ 
	
	which_image_loaded = NUMBER_OF_IMAGES - 1;
	document.myimage.src = ImageNames[which_image_loaded];
	//code change here starting.....
	document.getElementById("yy").disabled =1;
	document.getElementById("cc").disabled =1;
	document.getElementById("xx").disabled =0;
	document.getElementById("dd").disabled =0;
	//code change end here..
	
}
for (counter = 0; counter < NUMBER_OF_IMAGES; counter++){
    file_number = counter + 1;
    filename = ("gallery_img/gal_img" + file_number + ".jpg");
    ImageNames[counter] = filename;
}

function changeImage(direction) {
    which_image_loaded += direction;
    if (which_image_loaded < 0)
        which_image_loaded = NUMBER_OF_IMAGES - 1;
    if (which_image_loaded == NUMBER_OF_IMAGES)
        which_image_loaded = 0;
    if (document.images){
		if(which_image_loaded == 0)
		{document.getElementById("xx").disabled =1
		document.getElementById("dd").disabled =1}
		else {document.getElementById("xx").disabled = 0
		document.getElementById("dd").disabled =0}
        if(which_image_loaded == 6)
		{document.getElementById("yy").disabled = 1
		document.getElementById("cc").disabled =1}
  		else {document.getElementById("yy").disabled = 0
		document.getElementById("cc").disabled =0}
		document.myimage.src = ImageNames[which_image_loaded];
		}
}
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