// JavaScript Document

ns4 = (document.layers) ? true:false ;
ie4 = (document.all) ? true:false ;
ng5 = (document.getElementById) ? true:false ;
setn = 1;

function hideSec() {
	for(var i = 1; i < 5; i++) {
		if (ng5) {
			document.getElementById('sec' + i).style.display = "none"; 
			document.getElementById('img' + i).style.display = "none"; 
		}
		else if (ns4) {
			document.layers["sec" + i].display = "none"; 
			document.layers["img" + i].display = "none"; 
		}
		else if (ie4) {
			document.all["sec" + i].style.display = "none"; 
			document.all["img" + i].style.display = "none"; 
		}
	}
}

function showSec(n) {
	hideSec(); 
	if (ng5) {
		document.getElementById('sec' + n).style.display = "block"; 
		document.getElementById('img' + n).style.display = "block"; 
	}
	else if (ns4) { 
		document.layers["sec" + n].display = "block"; 
		document.layers["img" + n].display = "block"; 
	}
	else if (ie4) {
		document.all["sec" + n].style.display = "block"; 
		document.all["img" + n].style.display = "block"; 
	}
}

function setSec(j) {
	setn = j;
	showSec(j);
}

function showAllSec(n) {
	for(var i = 1; i < 5; i++) { 
		if (ng5) document.getElementById('sec' + i).style.display = "block"; 
		else if (ns4) document.layers["sec" + i].display = "block"; 
		else if (ie4) document.all["sec" + i].style.display = "block"; 
	}
}