function expandDiv(divId, divLink)
	{
		var currentDiv = document.getElementById(divId);
		//currentDiv.className = "paragraph_body";
		currentDiv.style.height = "auto";
		
		var currentLink = document.getElementById(divLink);
		currentLink.className = "is_height_zero";
		//currentLink.innerHTML = "";
	}
	
	function collapseDiv(divId, divLink)
	{
		var currentDiv = document.getElementById(divId);
		currentDiv.style.height = "0px";
		
		var currentLink = document.getElementById(divLink);
		currentLink.className = "";
		currentLink.className = "paragraph_body";
	}