var myvar;
function tocinit()
{
	var articles_size = document.getElementById("num_of_articles").value;
	//alert(articles_size);
	for(var i=0; i<articles_size; ++i)
	{
		document.getElementById("img_toc"+i).src = 'http://itidjournal.org/images/minus1.gif';
		document.getElementById("subsection_"+i).style.display = 'block';
	}
}

function tocinit2()
{
	var articles_size = document.getElementById("num_of_articles2").value;
	//alert(articles_size);
	for(var i=0; i<articles_size; ++i)
	{
		document.getElementById("img_toc2_"+i).src = 'http://itidjournal.org/images/expand1.gif';
		document.getElementById("subsection2_"+i).style.display = 'none';
	}
}


function tocexpand (i) 
{
	if(document.getElementById("subsection_"+i).style.display == 'none')
	{
		document.getElementById('img_toc'+i).src = 'http://itidjournal.org/images/minus1.gif';
		document.getElementById("subsection_"+i).style.display = 'block';
	}
    else 
	{
		document.getElementById('img_toc'+i).src = 'http://itidjournal.org/images/expand1.gif';
		document.getElementById("subsection_"+i).style.display = 'none';
	}
}

function tocexpand2 (i) 
{
	if(document.getElementById("subsection2_"+i).style.display == 'none')
	{
		document.getElementById('img_toc2_'+i).src = 'http://itidjournal.org/images/minus1.gif';
		document.getElementById("subsection2_"+i).style.display = 'block';
	}
    else 
	{
		document.getElementById('img_toc2_'+i).src = 'http://itidjournal.org/images/expand1.gif';
		document.getElementById("subsection2_"+i).style.display = 'none';
	}
}