// Afficher/Masquer ------------------------------------------------------------

function Afficher() {
	var Obj;
  Obj = document.getElementById('transparence');
  if( Obj){
  
  	var yScroll;
		if (window.innerHeight && window.scrollMaxY) {	
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ 
			yScroll = document.body.scrollHeight;
		} else { 
			yScroll = document.body.offsetHeight;
		}

		var windowHeight;
		if (self.innerHeight) {	
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { 
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { 
			windowHeight = document.body.clientHeight;
		}
    
    Obj.style.height = ((yScroll < windowHeight) ? windowHeight : yScroll)  + 'px';  
    
    with( Obj.style){
      display="block";
			var selects = document.getElementsByTagName('select');
  		for(var i = 0; i < selects.length; i++) {
  			selects[i].style.visibility = 'hidden';
  		}
    }
  }
}

function Masquer() {
	var Obj;
  Obj = document.getElementById('transparence');
  if( Obj){
    with(Obj.style){
      display="none";
			var selects = document.getElementsByTagName('select');
  		for(var i = 0; i < selects.length; i++) {
  			selects[i].style.visibility = 'visible';
  		}
    }
  }
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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("javascript:void(0)")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_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_openBrWindow2(theURL,winName,features) { //v2.0
  window.open(theURL, winName, "scrollbars=yes, resizable=no, width=380, height=400");
}

function trouvestyle(idf) { 
    if (document.getElementById) {
      return document.getElementById(idf).style;
    } else if (document.all) {
      return document.all[idf].style;
    } else if (document.layers) {
      return document.layers[idf];
    } else { return null }
  }
function newstyle(idf,prop,value) {
     var objet_style= trouvestyle(idf);
     if(objet_style) 
        eval( 'objet_style.' + prop + '="' + value+ '"' );
  }
function Over(id) {
	newstyle(id,'backgroundColor','#D12E22');
}
function Out(id) {
	newstyle(id,'backgroundColor','');
}









function Aff_layer (id) {
  if (document.layers)
	document[id].visibility = 'show';
  else if (document.getElementById)
	document.getElementById(id).style.visibility = 'visible';
	else if (document.all)
	document.all[id].style.visibility = 'visible';
}
function Cache_layer (id) {
  if (document.layers)
	document[id].visibility = 'hide';
	else if (document.getElementById)
	document.getElementById(id).style.visibility = 'hidden';
  else if (document.all)
	document.all[id].style.visibility = 'hidden';
}

function gere_png(nom_du_calque, src_image,largeur,hauteur)
{	
  if ( navigator.userAgent.indexOf('MSIE 6.0') != -1 )
	{
		//alert('IE');
		document.write('<div id="'+nom_du_calque+'" style="border:0px solid #000000;position:relative;height:'+hauteur+';width:'+largeur+';filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''+src_image+'\',sizingMethod=\'scale\');"></div>');		
	}
  else
	{
		//alert('Navigateur normal');
		document.write('<div id="'+nom_du_calque+'" style="position:relative;"><img src="'+src_image+'"></div>');
	}
}