// JavaScript Document

function popup(url,w,h)
{	window.open(url,'','top=0,scrollbars=yes,width='+w+',height='+h+'');	}

function preLoadImg()
{	
	var imgArray = new Array();
	var imgFiles = preLoadImg.arguments;
	for (i=0; i<imgFiles.length; i++)
	{	imgArray[i] = new Image();
		imgArray[i].src = imgFiles[i];
	}
}

function ajaxPreLoadImg()
{
	var imgArray = new Array();
	var imgFiles = ajaxPreLoadImg.arguments;
	for (i=0; i<imgFiles.length; i++)
	{
		try
		{
			xhr = new ActiveXObject("Microsoft.XMLHTTP");    // Essayer Internet Explorer 
		}
		catch(e)   // Echec
		{
			xhr = new XMLHttpRequest();  // Autres navigateurs
		}
		xhr.onreadystatechange = function()
		{ 
			if(xhr.readyState == 4)
			{
				var content = xhr.responseText;
				imgArray[i] = new Image();
				imgArray[i].src = content;
			} 
		} 
	
		xhr.open("GET",imgFiles[i],true);
		xhr.send(null);
	}
}

function showHide(num)
{
	var idd = 'answer_'+num;
	var idElm = '';
	var elmDisp = document.getElementById(idd).style.display;
	
	try
	{
		var otherElm = document.getElementsByClassName('answer');
	}
	catch(e)
	{
		var div = document.getElementsByTagName('div');
		var otherElm = new Array();
		var n = 0;
		for (var i=0; i<div.length; i++)
			if (div[i].className == 'answer')
			{
				otherElm[n] = div[i];
				n++;
			}
	}
	
	for (var i=0; i<otherElm.length; i++)
	{
		idElm = otherElm[i].id;
		if (idElm != idd)
			otherElm[i].style.display = 'none';
	}
	
	document.getElementById('answer_'+num).style.display = (elmDisp == 'block') ? 'none' : 'block';
}
/*
function exe_load()
{
	typemime = navigator.mimeTypes["application/x-shockwave-flash"];
	flash = false;
	
	if (typemime)
	{
		plugin = typemime.enabledPlugin;
		if (plugin)
			flash = true;
	}
	alert(flash);
}
*/
function changeImg(cat,img)
{
	var path = "images/presse/"+cat+"/"+img;
	document.getElementById('screen').src = path;
	document.getElementById('screen_a').href = path;
}