var current_block = 0;

function over(num, img_name, img_src){

	block_num = 6;
	count = 0
	
	while(count <= block_num){
		
		id = "body_" + count;
		div = document.getElementById(id);
		div.style.display = "none";
		
		count = count + 1;
	}

	img_name = "headshot_" + num;
	img_src = "images/headshot_" + num + "_over.jpg";
	change_img(img_name, img_src)

	id = "body_" + num;
	div = document.getElementById(id);
	div.style.display = "block";

}

function out(num, img_name, img_src){
	if(num != current_block){
	
		img_name = "headshot_" + num;
		img_src = "images/headshot_" + num + ".jpg";
		change_img(img_name, img_src)
	
		id = "body_" + num;
		div = document.getElementById(id);
		div.style.display = "none";

		id = "body_" + current_block;
		div = document.getElementById(id);
		div.style.display = "block";
	}
}

function click(num){

	block_num = 6;
	count = 1;
	while(count <= block_num){
		if(count != num){
			img_name = "headshot_" + count;
			img_src = "images/headshot_" + count + ".jpg";
			change_img(img_name, img_src)
		}
		count = count + 1;
	}

	current_block	= num;
}

function linkClick(num){

	link_num = 3;
	count = 1;
	while(count <= link_num){
		id = "link_" + count;
		if(count == num){
			div = document.getElementById(id);
			div.style.display = "block";
		}
		else{
			div = document.getElementById(id);
			div.style.display = "none";
		}
		count = count + 1;
	}
}

function change_img(img_name, img_src){
	document[img_name].src = img_src;
}