// JavaScript Document

var d1 = 1;
var d2 = 2;
var d3 = 3;
var d4 = 4;
var d5 = 5;
var d6 = 6;

var n1 = d1.toString();
var n2 = d2.toString();
var n3 = d3.toString();
var n4 = d4.toString();
var n5 = d5.toString();
var n6 = d6.toString();

var object1;
var object2;
var object3;
var object4;
var object5;
var object6;

var num_rows;

function init_reveal()

{
	object1=document.getElementById("news_article" + n1);object1.style.display="block";
	object2=document.getElementById("news_article" + n2);object2.style.display="block";
	object3=document.getElementById("news_article" + n3);object3.style.display="block";
	object4=document.getElementById("news_article" + n4);object4.style.display="block";
	object5=document.getElementById("news_article" + n5);object5.style.display="block";
	object6=document.getElementById("news_article" + n6);object6.style.display="block";
}

function old() 

{

	if (d6+6<num_rows+6)
	
	{
	
	
		if (d1<num_rows+1){object1.style.display="none";}
		if (d2<num_rows+1){object2.style.display="none";}
		if (d3<num_rows+1){object3.style.display="none";}
		if (d4<num_rows+1){object4.style.display="none";}
		if (d5<num_rows+1){object5.style.display="none";}
		if (d6<num_rows+1){object6.style.display="none";}


	d1 = d1+6;
	d2 = d2+6;
	d3 = d3+6;
	d4 = d4+6;
	d5 = d5+6;
	d6 = d6+6;
	
	n1 = d1.toString();
	n2 = d2.toString();
	n3 = d3.toString();
	n4 = d4.toString();
	n5 = d5.toString();
	n6 = d6.toString();
	
	if (d6>num_rows-1){document.getElementById("older_button").innerHTML="<a id='previous_button' style='visibility:hidden;' href='#' onClick='old()'>Older</a>"}
	else{document.getElementById("older_button").innerHTML="<a id='previous_button' style='visibility:visible;' href='#' onClick='old()'>Older</a>"}

	
	document.getElementById("newer_button").innerHTML="<a id='next_button' style='visibility:visible; margin: 0px 65px 0px 0px;' href='#' onClick='newer()'>Newer</a>"

	if (d1<num_rows+1){object1=document.getElementById("news_article" + n1);object1.style.display="block";}
	if (d2<num_rows+1){object2=document.getElementById("news_article" + n2);object2.style.display="block";}
	if (d3<num_rows+1){object3=document.getElementById("news_article" + n3);object3.style.display="block";}
	if (d4<num_rows+1){object4=document.getElementById("news_article" + n4);object4.style.display="block";}
	if (d5<num_rows+1){object5=document.getElementById("news_article" + n5);object5.style.display="block";}
	if (d6<num_rows+1){object6=document.getElementById("news_article" + n6);object6.style.display="block";}


	}
	
	else{}

}

function newer() {
	
	
	if (d1-6>0)
	
	{
		if (d1<num_rows+1){object1.style.display="none";}
		if (d2<num_rows+1){object2.style.display="none";}
		if (d3<num_rows+1){object3.style.display="none";}
		if (d4<num_rows+1){object4.style.display="none";}
		if (d5<num_rows+1){object5.style.display="none";}
		if (d6<num_rows+1){object6.style.display="none";}
		
	
	d1 = d1-6;
	d2 = d2-6;
	d3 = d3-6;
	d4 = d4-6;
	d5 = d5-6;
	d6 = d6-6;

	n1 = d1.toString();
	n2 = d2.toString();
	n3 = d3.toString();
	n4 = d4.toString();
	n5 = d5.toString();
	n6 = d6.toString();
	
	if (d1<num_rows+1){object1=document.getElementById("news_article" + n1);object1.style.display="block";}
	if (d2<num_rows+1){object2=document.getElementById("news_article" + n2);object2.style.display="block";}
	if (d3<num_rows+1){object3=document.getElementById("news_article" + n3);object3.style.display="block";}
	if (d4<num_rows+1){object4=document.getElementById("news_article" + n4);object4.style.display="block";}
	if (d5<num_rows+1){object5=document.getElementById("news_article" + n5);object5.style.display="block";}
	if (d6<num_rows+1){object6=document.getElementById("news_article" + n6);object6.style.display="block";}
	
	document.getElementById("older_button").innerHTML="<a id='previous_button' style='visibility:visible;' href='#' onClick='old()'>Older</a>"

	if (d1===1) {document.getElementById("newer_button").innerHTML="<a id='next_button' style='visibility:hidden; margin: 0px 65px 0px 0px;' href='#' onClick='newer()'>Newer</a>"}
	else{document.getElementById("newer_button").innerHTML="<a id='next_button' style='visibility:visible; margin: 0px 65px 0px 0px;' href='#' onClick='newer()'>Newer</a>"}	
	
	}
	
	else {}

}

onload=init_reveal();