var xmlhttp=null;

function loadXMLDoc(url)
{
	// Internet Explorer, Firefox, Opera 8.0+, Safari
	try 
	{
		xmlhttp=new XMLHttpRequest(); 
	} 
	// Internet Explorer
	catch (e)
	{
		try
	    {
	    	xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");
	    }
	  	catch (e)
	    {
	    	try
	      	{
	      		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	      	}
	    	catch (e)
	      	{
	      		alert("This website cannot be viewed on your browser.  Please update to Internet Explorer 7.0 or later.");
	      		return false;
	      	}
	    }
	}

	
	if (xmlhttp!=null)
	{
		xmlhttp.open("GET",url,true);
	  	xmlhttp.onreadystatechange=displayFooter;
	  	xmlhttp.send(null);
	}
	else
	{
	  	alert("Your browser does not support XMLHTTP.");
	}
}

function displayFooter()
{
	var currentPage="";
	var footertxt="";
	var editionList=null;
	var year=0;
	var earliestYear=0;
	var latestYear=0;

//displayText only for listed pages
	currentPage=window.location.pathname;
	currentPage=currentPage.substring(currentPage.lastIndexOf("/")+1);	

	pagesThatUseDisplayText=new Array();
	pagesThatUseDisplayText[0]="";
	pagesThatUseDisplayText[1]="index.html";
	pagesThatUseDisplayText[2]="archive.html";
	pagesThatUseDisplayText[3]="browse.html";

	for (a=0;a<pagesThatUseDisplayText.length;a++)
	{
		if (currentPage==pagesThatUseDisplayText[a]) displayText();
	}


//build text string
	try 
	{ 
		editionList=xmlhttp.responseXML.documentElement.getElementsByTagName("EDITION") 
		earliestYear=editionList[0].getAttribute("year")
	
		for (i=0;i<editionList.length;i++) 
		{
			year=editionList[i].getAttribute("year");
			if (year<earliestYear) earliestYear=year;
			if (year>latestYear) latestYear=year;
		}
	}
	catch (e) { }

	footertxt="<p class='copyright'>© Copyright " + earliestYear + "-" + latestYear + " Asian-Pacific Law & Policy Journal. All rights reserved.</p>";
	document.getElementById('display_footer').innerHTML=footertxt;
}