var allHTMLTags = new Array();
		function getElementByClass(theClass)
		{
			var allHTMLTags=document.getElementsByTagName("*");
		 
			for (i = 0; i < allHTMLTags.length; i++)
			{
				if (allHTMLTags[i].className==theClass)
					return allHTMLTags[i];
			}
			return (0);
		}
		
    	function change_menu(menu)
    	{
			
			if(getElementByClass("o_a_VD_sel"))	getElementByClass("o_a_VD_sel").className="o_a_VD";
			if(getElementByClass("o_a_VE_sel"))	getElementByClass("o_a_VE_sel").className="o_a_VE";
			if(getElementByClass("o_a_VL_sel"))	getElementByClass("o_a_VL_sel").className="o_a_VL";
			if(getElementByClass("o_a_VA_sel"))	getElementByClass("o_a_VA_sel").className="o_a_VA";
			if(getElementByClass("o_a_VF_sel"))	getElementByClass("o_a_VF_sel").className="o_a_VF";
			
			if(getElementByClass("o_a_VD_gris"))	getElementByClass("o_a_VD_gris").className="o_a_VD";
			if(getElementByClass("o_a_VE_gris"))	getElementByClass("o_a_VE_gris").className="o_a_VE";
			if(getElementByClass("o_a_VL_gris"))	getElementByClass("o_a_VL_gris").className="o_a_VL";
			if(getElementByClass("o_a_VA_gris"))	getElementByClass("o_a_VA_gris").className="o_a_VA";
			if(getElementByClass("o_a_VF_gris"))	getElementByClass("o_a_VF_gris").className="o_a_VF";


			getElementByClass("o_a_VD").className="o_a_VD_gris";
			getElementByClass("o_a_VE").className="o_a_VE_gris";
			getElementByClass("o_a_VL").className="o_a_VL_gris";
			getElementByClass("o_a_VA").className="o_a_VA_gris";
			getElementByClass("o_a_VF").className="o_a_VF_gris";
			
			document.getElementById("o_dec").style.display = "none";
			document.getElementById("o_exp").style.display = "none";
			document.getElementById("o_lib").style.display = "none";
			document.getElementById("o_ave").style.display = "none";
			document.getElementById("o_fet").style.display = "none";
 
			//document.getElementById("pub_tourisme").style.display = "none";
			          
    		switch (menu)
    		{
    			case "decouverte":         
    				document.getElementById("c_droite").style.display = "none";
    				document.getElementById("c_gauche").style.width	= "1000px";
    				document.getElementById("c_gauche").style.backgroundImage = "url(images/decouverte.png)";
    				document.getElementById("a_droite").style.backgroundImage = "url(images/decal20.jpg)";
    				document.getElementById("a_droite").style.backgroundColor = "#A7D30E";
    				
					getElementByClass("o_a_VD_gris").className="o_a_VD_sel";
    				document.getElementById("o_dec").style.display = "block";
    				
    				document.getElementById("g_fil").innerHTML="<li class='g_li'><a href='index.php'>Accueil</a></li><li class='g_li'>></li><li class='g_li'>Version DECOUVERTE</li>";
    			break;
    			
    			case "exploration":
    				document.getElementById("c_droite").style.display = "none";
    				document.getElementById("c_gauche").style.width	= "1000px";
    				document.getElementById("c_gauche").style.backgroundImage = "url(images/exploration.png)";
    				document.getElementById("a_droite").style.backgroundImage = "url(images/decal20.jpg)";
    				document.getElementById("a_droite").style.backgroundColor = "#A7D30E";
    				
					getElementByClass("o_a_VE_gris").className="o_a_VE_sel";
    				document.getElementById("o_exp").style.display = "block";
    				
					document.getElementById("g_fil").innerHTML="<li class='g_li'><a href='index.php'>Accueil</a></li><li class='g_li'>></li><li class='g_li'>Version EXPLORATION</li>";
    			break;
    			
    			case "liberte":
    				document.getElementById("c_droite").style.display = "none";
    				document.getElementById("c_gauche").style.width	= "1000px";
    				document.getElementById("c_gauche").style.backgroundImage = "url(images/liberte.png)";
    				document.getElementById("a_droite").style.backgroundImage = "url(images/decal20.jpg)";
    				document.getElementById("a_droite").style.backgroundColor = "#A7D30E";
    				
					getElementByClass("o_a_VL_gris").className="o_a_VL_sel";
    				document.getElementById("o_lib").style.display = "block";

    				document.getElementById("g_fil").innerHTML="<li class='g_li'><a href='index.php'>Accueil</a></li><li class='g_li'>></li><li class='g_li'>Version LIBERTE</li>";
    			break;
    			
    			case "aventure":
    				document.getElementById("c_droite").style.display = "none";
    				document.getElementById("c_gauche").style.width	= "1000px";
    				document.getElementById("c_gauche").style.backgroundImage = "url(images/aventure.png)";
    				document.getElementById("a_droite").style.backgroundImage = "url(images/decal20.jpg)";
    				document.getElementById("a_droite").style.backgroundColor = "#A7D30E";
    				
					getElementByClass("o_a_VA_gris").className="o_a_VA_sel";
    				document.getElementById("o_ave").style.display = "block";

    				document.getElementById("g_fil").innerHTML="<li class='g_li'><a href='index.php'>Accueil</a></li><li class='g_li'>></li><li class='g_li'>Version AVENTURE</li>";
    			break;
    			
    			case "fetes":
    				document.getElementById("c_droite").style.display = "none";
    				document.getElementById("c_gauche").style.width	= "1000px";
    				document.getElementById("c_gauche").style.backgroundImage = "url(images/fetes.png)";
    				document.getElementById("a_droite").style.backgroundImage = "url(images/decal20.jpg)";
    				document.getElementById("a_droite").style.backgroundColor = "#A7D30E";
    				
					  getElementByClass("o_a_VF_gris").className="o_a_VF_sel";
    				document.getElementById("o_fet").style.display = "block";

    				document.getElementById("g_fil").innerHTML="<li class='g_li'><a href='index.php'>Accueil</a></li><li class='g_li'>></li><li class='g_li'>Version FETES</li>";
    			break;
			}
		}