function addPrintLinks()
{
var el = document.getElementsByTagName("div");
for (i=0;i<el.length;i++)
	{
	if (el[i].className=="print_section")
		{
		var newLink = document.createElement("a");
		var newLink2 = document.createElement("a");
		var newLinkText = document.createTextNode("Print this section only");
		var newLinkText2 = document.createTextNode("Print the whole page");

		var newLinkPara = document.createElement("div");
		newLinkPara.setAttribute("class","printbutton");
		newLinkPara.setAttribute("className","printbutton");
		
		//set up the 'print this section' link
		newLink.setAttribute("href","#");
		var btId = "printbut_" + el[i].id;
		newLink.setAttribute("id",btId);
		newLink.appendChild(newLinkText);
		newLink.setAttribute("href","#");
		newLinkPara.appendChild(newLink);
		
		//set up the print all link
		newLink2.setAttribute("href","#");
		var bt2Id = "printall_" + el[i].id;
		newLink2.setAttribute("id",bt2Id);
		newLink2.appendChild(newLinkText2);
		newLink2.setAttribute("href","#");
		newLinkPara.appendChild(newLink2);

		//add the behaviours for the new links
		newLink.onclick = togglePrintDisplay;
		newLink.onkeypress = togglePrintDisplay;
		newLink2.onclick = printAll;
		newLink2.onkeypress = printAll;

		//insert the para and the two links into the DOM
		el[i].appendChild(newLinkPara);
		
		}
	}
}

function togglePrintDisplay(e)
{
var whatSection = this.id.split("_");
whatSection = whatSection[1];
var el = document.getElementsByTagName("div");
for (i=0;i<el.length;i++)
	{
	if (el[i].className.indexOf("section")!=-1)
		{
		el[i].removeAttribute("className");
		if (el[i].id==whatSection)
			{
			//show only this section for print
			el[i].setAttribute("className","print_section print");
			el[i].setAttribute("class","print_section print");
			}
		else
			{
			//hide the sections from print-out
			el[i].setAttribute("className","print_section noprint");
			el[i].setAttribute("class","print_section noprint");
			}
		}
	}

if (window.event) 
	{
	window.event.returnValue = false;
	window.event.cancelBubble = true;
	} 
else if (e) 
	{
	e.stopPropagation();
	e.preventDefault();
	}

window.print();
}

function printAll(e)
{
var el = document.getElementsByTagName("div");
for (i=0;i<el.length;i++)
	{
	if (el[i].className.indexOf("print_section")!=-1)
		{
		el[i].setAttribute("className","print_section print");
		el[i].setAttribute("class","print_section print");
		}
	}
if (window.event) 
	{
	window.event.returnValue = false;
	window.event.cancelBubble = true;
	} 
else if (e) 
	{
	e.stopPropagation();
	e.preventDefault();
	}
window.print();
}
addEvent(window, 'load', addPrintLinks, false);