// LOAD RESUM
function loadficheR() {
                 if (document.getElementById("resu"))
			{
			 if (document.getElementById('resu').style.display == 'block')
                    {document.getElementById('resu').style.display = 'block';}
					else 
					{document.getElementById('resu').style.display = 'none';}
					}
			}

// LOAD PLAN					
function loadficheP() {					
                 if (document.getElementById("plan"))
			{
 if (document.getElementById('plan').style.display == 'block')
                    {document.getElementById('plan').style.display = 'block';}
					else 
					{document.getElementById('plan').style.display = 'none';}
					}
			}
// AFFICHE RESUM
function afficheR() { 
                 if (document.getElementById("resu"))
			{
			 if (document.getElementById('resu').style.display == 'none')
                    {document.getElementById('resu').style.display ='block';}
					else
                    {document.getElementById('resu').style.display ='none';}
					}			
			}
// AFFICHE PLAN
function afficheP() { 
                 if (document.getElementById("plan"))
			{
				if (document.getElementById('plan').style.display == 'none')
                    {document.getElementById('plan').style.display ='block';}
					else
                    {document.getElementById('plan').style.display ='none';}
					}
			
			}
// LOAD IMAGE			
function loadimg(OBJ) {
 if (document.getElementById(OBJ).style.display == 'block')
                    {document.getElementById(OBJ).style.display = 'block';}
                    else 
                    {document.getElementById(OBJ).style.display = 'none';}
                    }				
					
// AFFICHE IMAGE
function showimg(OBJ) {
                    
                if (document.getElementById(OBJ).style.display == 'none')
                    {
                    
                    document.getElementById(OBJ).style.display ='block';
                    }
                    else
                    {
                    document.getElementById(OBJ).style.display ='none';
                    }                
                 Recalc();}

// AGRANDIR POLICE
var t;			
	t = 0.75;
	tl = 3.5;
	tt = 1;
	a = 0.9;
	r = 1;

	function bigfont() {
		t = t + 0.2;
		
		document.getElementById("police").style.fontSize = t + "em";
		
		tl = tl + 0.2;
		letest = document.getElementById("lett");
		if (letest != null) {document.getElementById("lett").style.fontSize = tl + "em";}
		
		tt = tt + 0.2;
		letest = document.getElementById("titre");
		if (letest != null) {document.getElementById("titre").style.fontSize = tt + "em";}	
		letest = document.getElementById("stitre");
                if (letest != null) {document.getElementById("stitre").style.fontSize = tt + "em";}
		document.getElementById("plan").style.fontSize = tt + "em";
		
		a = a + 0.2;		
		letest = document.getElementById("auteur");
		if (letest != null) {document.getElementById("auteur").style.fontSize = a + "em";}

		letest = document.getElementById("plan");
		if (letest != null) {document.getElementById("plan").style.fontSize = a + "em";}
		
		r = r + 0.2;
		letest = document.getElementById("resu");
		if (letest != null) {document.getElementById("resu").style.fontSize = a + "em";}
		

						} 	
// TAILLE NORMALE POLICE	
	function smallfont() {
	if ( t > 0.75 )
	if ( tl > 3.5 )
	if ( tt > 1 )
	if ( a > 0.9 )
	if ( r > 1 )
				{	
				t = 0.75;
				tl = 3.5;
				tt = 1;
				a = 0.9;
				r = 1;
				
				document.getElementById("police").style.fontSize = t + "em";	
				letest = document.getElementById("lett");
				if (letest != null) {document.getElementById("lett").style.fontSize = tl + "em";}	
				letest = document.getElementById("titre");
				if (letest != null) {document.getElementById("titre").style.fontSize = tt + "em";}
				letest = document.getElementById("stitre");
				if (letest != null) {document.getElementById("stitre").style.fontSize = tt + "em";}
				letest = document.getElementById("plan");
				if (letest != null) {document.getElementById("plan").style.fontSize = tt + "em";}
				letest = document.getElementById("auteur");
				if (letest != null) {document.getElementById("auteur").style.fontSize = a + "em";}
				letest = document.getElementById("resu");
				if (letest != null) {document.getElementById("resu").style.fontSize = r + "em";}
				}
				
		
						}
						
function quelnav() {
var lenav
var user_agent=navigator.userAgent.toLowerCase();
var nav_version = navigator.appVersion.toLowerCase();
lenav= "";
if ( (user_agent.indexOf("win")!=-1) || (user_agent.indexOf("16bit")!=-1) ) {lenav = "WIN";}
if (user_agent.indexOf("mac")!=-1) {lenav = "MAC";}
if(user_agent.indexOf("inux")!=-1) {lenav = "LUX";}
if (nav_version.indexOf('msie')!=-1) {lenav = lenav+"IE";}
if (nav_version.indexOf('msie 7')!=-1) {lenav = lenav+"7";}
if (user_agent.indexOf("netscape") != -1) {lenav = lenav+ "NS";}
if (user_agent.indexOf("opera") != -1) {lenav = "MACOP";}
if(user_agent.indexOf("firefox") != -1) {lenav = lenav+ "FI";}
if (user_agent.indexOf("safari") != -1) {lenav = lenav+ "SA";}
return lenav;

}

// RECHERCHE

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapLogo(ID_IMG,BOOK,EDITEUR)
{
    var img;
    
    img = 'vign_rev/'+ID_IMG+'.jpg';
    
    MM_swapImage('vignette','',img,1);
    
    document.getElementById('valBook').innerHTML=BOOK;
    document.getElementById('valEditeur').innerHTML=EDITEUR;
    
}

function MM_swapISBN (PG,NUM)
{  
    document.getElementById('valpage').innerHTML= PG ;
    document.getElementById('valIsbn').innerHTML= NUM ;
}