var page_num = '1';

function setColor(img)
{
	var t = document.getElementById("image-target");
	t.src=img;
}

function goPage(p)
{		
	page_num = p;

	var t1 = document.getElementById('thumbtable1');
	var t2 = document.getElementById('thumbtable2');
	var t3 = document.getElementById('thumbtable3');
	var t4 = document.getElementById('thumbtable4');

    t1.style.display='none';
    t2.style.display='none';
    t3.style.display='none';
    t4.style.display='none';
    	
	if(t1 && p=='1')
	{
		t1.style.display = 'inline';
		var caption = document.getElementById('caption1');
		caption.innerHTML = page_num;
	}
	else if(t2 && p=='2')
	{
		t2.style.display = 'inline';
		var caption = document.getElementById('caption2');
		caption.innerHTML = page_num;
	}
	else if(t3 && p=='3')
	{
		t3.style.display = 'inline';
		var caption = document.getElementById('caption3');
		caption.innerHTML = page_num;
	}
    else if(t4 && p=='4')
	{
		t4.style.display = 'inline';
		var caption = document.getElementById('caption4');
		caption.innerHTML = page_num;		
	}	

}

function goPage1()
{			
	var t1 = document.getElementById('thumbtable1');
	var t2 = document.getElementById('thumbtable2');

	t2.style.display = "none";
	t1.style.display = "inline";
}
			
function goPage2()
{	
	var t1 = document.getElementById('thumbtable1');
	var t2 = document.getElementById('thumbtable2');
	
	t1.style.display = "none";
	t2.style.display = "inline";
}