var cheminImage = 'images/medias_fr/shared/bt_categories/';

M1a = new Image();
M1a.src = cheminImage + 'image_son_off.png';
M1b = new Image();
M1b.src = cheminImage + 'image_son_on.png';

M2a = new Image();
M2a.src = cheminImage + 'electromenager_off.png';
M2b = new Image();
M2b.src = cheminImage + 'electromenager_on.png';

M3a = new Image();
M3a.src = cheminImage + 'petit_electromenager_off.png';
M3b = new Image();
M3b.src = cheminImage + 'petit_electromenager_on.png';

M4a = new Image();
M4a.src = cheminImage + 'telephonie_off.png';
M4b = new Image();
M4b.src = cheminImage + 'telephonie_on.png';

M5a = new Image();
M5a.src = cheminImage + 'informatique_off.png';
M5b = new Image();
M5b.src = cheminImage + 'informatique_on.png';

M6a = new Image();
M6a.src = cheminImage + 'accessoires_off.png';
M6b = new Image();
M6b.src = cheminImage + 'accessoires_on.png';


var nodeUL = new Array();
activateMenu = function(nav) {
	
	
	if (document.getElementById('menu1')){
		document.getElementById('menu1').onmouseover = function(){
			document.getElementById('M1').src =  M1b.src ;
		}
		document.getElementById('menu1').onmouseout = function(){
			document.getElementById('M1').src =  M1a.src ;
		}	
	}
	
	if (document.getElementById('menu2')){
		document.getElementById('menu2').onmouseover = function(){
			document.getElementById('M2').src =  M2b.src ;
		}
		document.getElementById('menu2').onmouseout = function(){
			document.getElementById('M2').src =  M2a.src ;
		}
	}
	if (document.getElementById('menu3')){
		document.getElementById('menu3').onmouseover = function(){
			document.getElementById('M3').src =  M3b.src ;
		}
		document.getElementById('menu3').onmouseout = function(){
			document.getElementById('M3').src =  M3a.src ;
		}
	}
	if (document.getElementById('menu4')){
		document.getElementById('menu4').onmouseover = function(){
			document.getElementById('M4').src =  M4b.src ;
		}
		document.getElementById('menu4').onmouseout = function(){
			document.getElementById('M4').src =  M4a.src ;
		}
	}
	if (document.getElementById('menu5')){
		document.getElementById('menu5').onmouseover = function(){
			document.getElementById('M5').src =  M5b.src ;
		}
		document.getElementById('menu5').onmouseout = function(){
			document.getElementById('M5').src =  M5a.src ;
		}	
	}
	if (document.getElementById('menu6')){
		document.getElementById('menu6').onmouseover = function(){
			document.getElementById('M6').src =  M6b.src ;
		}			
		document.getElementById('menu6').onmouseout = function(){
			document.getElementById('M6').src =  M6a.src ;
		}	
	}	
}
window.onload= function(){
    /* pass the function the id of the top level UL */
    /* remove one, when only using one menu */
    activateMenu('nav'); 
}














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_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];}
}







// FONCTION SPECIAL BYCLASS
 function getElementsByClass(searchClass, node, tag) {
     var classElements = new Array();
     if ( node == null )
         node = document;
     if ( tag == null )
         tag = '*';
     var els = node.getElementsByTagName(tag);
     var elsLen = els.length;
     var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
     for (i = 0, j = 0; i < elsLen; i++) {
         if ( pattern.test(els[i].className) ) {
             classElements[j] = els[i];
             j++;
         }
     }
     return classElements;
}


function montreDetail(el) {


    if (document.getElementById(el).className == "active")
    	{
		document.getElementById(el).className = "";
    	} else {
		document.getElementById(el).className = "active";
    	}

}