function afficher(num)
            {
            var arbre1 = document.getElementById('1');
            var arbre2 = document.getElementById('2');
            var arbre3 = document.getElementById('3');
			
			var titre1 = document.getElementById('titre1');
			var titre2 = document.getElementById('titre2');
			var titre3 = document.getElementById('titre3');
            
            switch(num)
                {
                case '1':
                    arbre1.style.display = "";
                    arbre2.style.display = "none";
                    arbre3.style.display = "none";
					titre1.style.color = "#FF0000";
					titre2.style.color = "#FFFFFF";
					titre3.style.color = "#FFFFFF";
                break; 
                case '2':
                    arbre1.style.display = "none";
                    arbre2.style.display = "";
                    arbre3.style.display = "none";
					titre1.style.color = "#FFFFFF";
					titre2.style.color = "#FF0000";
					titre3.style.color = "#FFFFFF";
                break;
                case '3':
                    arbre1.style.display = "none";
                    arbre2.style.display = "none";
                    arbre3.style.display = "";
					titre1.style.color = "#FFFFFF";
					titre2.style.color = "#FFFFFF";
					titre3.style.color = "#FF0000";
                break;               
                }
            }
			
	function link ()
		{
		var link = arbre1_use + 'l' 
		+ bloque_a1[0] + 'l' + bloque_a1[1] + 'l' + bloque_a1[2] + 'l' + bloque_a1[3] + 'l' + bloque_a1[4] + 'l' + bloque_a1[5] + 'l' + bloque_a1[6] + 'o'
		+ arbre2_use + 'l' 
		+ bloque_a2[0] + 'l' + bloque_a2[1] + 'l' + bloque_a2[2] + 'l' + bloque_a2[3] + 'l' + bloque_a2[4] + 'l' + bloque_a2[5] + 'l' + bloque_a2[6] +'o'
		+ arbre3_use + 'l'
		+ bloque_a3[0] + 'l' + bloque_a3[1] + 'l' + bloque_a3[2] + 'l' + bloque_a3[3] + 'l' + bloque_a3[4] + 'l' + bloque_a3[5] + 'l' + bloque_a3[6];
		document.save_form.valeur.value = link;
		}
	
	function show_error()
		{
		var error = document.getElementById("error");
		error.style.display="";
		}
	
	function hide_error()
		{
		var error = document.getElementById("error");
		error.style.display="none";
		document.location.href="http://jeu.mondewarhammer.com/?page=builder" 
		}

	function changeImg(id)
		{
		var img;
		var tableau;
		var lgr;
		var cmp;
		img = document.getElementById(id);
		img2 = img.src;
		tableau = img2.split("/");
		lgr = tableau.length;
		img2 = tableau[lgr-1].split("_");
		lgr = img2.length;
		img2[lgr-1] = "unlock.png";
		img.src = "./squelettes/sq-war-jeu/builder/img/"+img2[0];
		for (cmp = 1; cmp < lgr; cmp++)
			{
			img.src = img.src + "_" + img2[cmp];
			}
		}
		
	function coloration(use_a1, use_a2, use_a3,block_a1, block_a2, block_a3)
		{
		var cases_a1 = new Array(15);
		var cases_a2 = new Array(15);
		var cases_a3 = new Array(15);
		
		var cmp_a1 = 0;
		var cmp_a2 = 0;
		var cmp_a3 = 0;
		
		var cmp = 0;
		var cases = 1;
		var comp;
		
		for (cases = 1;cases<=15;cases++)
			{
			cases_a1[cmp] = document.getElementById('a1_case'+cases);
			cases_a2[cmp] = document.getElementById('a2_case'+cases);
			cases_a3[cmp] = document.getElementById('a3_case'+cases);
			cmp++;
			}
						
		for (cmp_a1=0; cmp_a1 < use_a1; cmp_a1++)
		   {
		   cases_a1[cmp_a1].style.backgroundColor = "#FFA600";
		   }		
		for (cmp_a2=0; cmp_a2 < use_a2; cmp_a2++)
		   {
		   cases_a2[cmp_a2].style.backgroundColor = "#FFA600";
		   }		
		for (cmp_a3=0; cmp_a3 < use_a3; cmp_a3++)
		   {
		   cases_a3[cmp_a3].style.backgroundColor = "#FFA600";
		   }
		
		cmp = 0;
		var competence = 1;
		
		for (competence = 0; competence <= 6; competence++)
			{
			if (bloque_a1[cmp] == 1)
				{
				changeImg('a1_comp'+competence);
				}
				
			if (bloque_a2[cmp] == 1)
				{
				changeImg('a2_comp'+competence);
				}
				
			if (bloque_a3[cmp] == 1)
				{
				changeImg('a3_comp'+competence);
				}
			cmp++;
			}
		
		}