var page = 1;
	
	function lnpage(foo){
	 var page1=document.getElementById('ln_page1');
	 var page2=document.getElementById('ln_page2');
	 var page3=document.getElementById('ln_page3');
	 var page4=document.getElementById('ln_page4');
	 var page5=document.getElementById('ln_page5');

	 var older_in = document.getElementById('ln_older_in');
	 var older = document.getElementById('ln_older');
	 var newer_in = document.getElementById('ln_newer_in');
	 var newer = document.getElementById('ln_newer');
		
		if (foo == 'main' ) {
			page3.style.display="none";
			page2.style.display="none";
			page1.style.display="block";
			page4.style.display="none";
			page5.style.display="none";
			newer.style.display="none";
			newer_in.style.display="block";
			older.style.display="block";
			older_in.style.display="none";
			page = 1;
		} else {
		
		if (page == 1 ) {
			if (foo == "old") {
				page2.style.display="block";
				page1.style.display="none";
				newer.style.display="block";
				newer_in.style.display="none";
				page = 2;		
			} else {
				page5.style.display="none";
				page4.style.display="none";
				page3.style.display="none";
				page2.style.display="none";
				page1.style.display="block";
				newer_in.style.display="block";
				newer.style.display="none";
				older.style.display="block";
				older_in.style.display="none";
			}
		} else if (page == 2) {
			if (foo == "old") {
				page3.style.display="block";
				page2.style.display="none";
				older.style.display="block";
				older_in.style.display="none";
				page = 3;
			} else {
				page1.style.display="block";
				page2.style.display="none";
				newer.style.display="none";
				newer_in.style.display="block";
				page = 1;
			}		
		} else if (page == 3) {
			if (foo == "old") {
				page4.style.display="block";
				page3.style.display="none";
				older.style.display="block";
				older_in.style.display="none";
				page = 4;
			} else {
				page2.style.display="block";
				page3.style.display="none";
				newer.style.display="block";
				newer_in.style.display="none";
				page = 2;
			}
			
		} else if (page == 4) {
			if (foo == "old") {
				page5.style.display="block";
				page4.style.display="none";
				older.style.display="none";
				older_in.style.display="block";
				page = 5;
			} else {
				page3.style.display="block";
				page4.style.display="none";
				newer.style.display="block";
				newer_in.style.display="none";
				page = 3;
			}
			
		} else if (page == 5) {
			if (foo == "new") {
				page4.style.display="block";
				page5.style.display="none";
				older.style.display="block";
				older_in.style.display="none";
				page = 4;
			} else {
			
			}
		
		} 
	}	
}