function Show(p_id)
{
	var i = 0;
	var element = document.getElementById('tr'+i);
	while(element != null)
	{
		element.style.visibility='hidden';
		element.style.display='none';
		element = document.getElementById('a'+i);
		switch(i)
		{
			case 0: 
				element.onclick=function() { Show('0'); };
				break;
			case 1: 
				element.onclick=function() { Show('1'); };
				break;
			case 2: 
				element.onclick=function() { Show('2'); };
				break;
			case 3: 
				element.onclick=function() { Show('3'); };
				break;
			case 4: 
				element.onclick=function() { Show('4'); };
				break;
			case 5: 
				element.onclick=function() { Show('5'); };
				break;
			case 6: 
				element.onclick=function() { Show('6'); };
				break;
			case 7: 
				element.onclick=function() { Show('7'); };
				break;
			case 8: 
				element.onclick=function() { Show('8'); };
				break;
			case 9: 
				element.onclick=function() { Show('9'); };
				break;
			case 10: 
				element.onclick=function() { Show('10'); };
				break;
			case 11: 
				element.onclick=function() { Show('10'); };
				break;
			case 12: 
				element.onclick=function() { Show('10'); };
				break;
			case 13: 
				element.onclick=function() { Show('10'); };
				break;
			case 14: 
				element.onclick=function() { Show('10'); };
				break;
			case 15: 
				element.onclick=function() { Show('10'); };
				break;
		}
		i++;
		element = document.getElementById('tr'+i);
	}
	element = document.getElementById('tr'+p_id);
	element.style.visibility='visible';
	element.style.display='';
	element = document.getElementById('a'+p_id);
	element.onclick=function() { Hide(p_id); };
	
}













function Hide(p_id)
{
	var element = document.getElementById('tr'+p_id);
	if (element != null)
	{
		element.style.visibility='hidden';
		element.style.display='none';
		element = document.getElementById('a'+p_id);
		element.onclick=function() { Show(p_id); };
	}
}

function surligne(nom_ancre){
                    var lien = document.getElementsByTagName("a");
                    var longueur = (lien.length), i = 0;
                    while(longueur>i){
                        lien[i].style.color = "black";
                        i++;
                    }
                   
                    var ancre;
                    ancre = document.getElementById(nom_ancre);
                    ancre.style.color="red";
                    var url = document.location;
                    document.location.href = (url+'#'+nom_ancre);
                }



var Photos = new Array();
var Premier = 0;
	
var Tourisme =
{
	Update: function()
	{
		var element = document.getElementById("image1");
		element.src = Photos[0];
		var elimage = document.getElementById("image");
		elimage.src = element.src;
		var element = document.getElementById("image2");
		element.src = Photos[1];
		var element = document.getElementById("image3");
		element.src = Photos[2];
	},
	
	Suivant: function()
	{
		if((Premier + 3) < Photos.length )
		{
			Premier = Premier + 3;
			var element = document.getElementById("image1");
			element.src = Photos[Premier];
			if(Premier+1 < Photos.length)
			{
				var element = document.getElementById("image2");
				element.src = Photos[Premier+1];
				ShowHide("image2",true);
			}
			else
			{
				ShowHide("image2",false);
			}
			if(Premier+2 < Photos.length)
			{
				var element = document.getElementById("image3");
				element.src = Photos[Premier+2];
				ShowHide("image3",true);
			}
			else
			{
				ShowHide("image3",false);
			}
		}
	},
	
	Precedent: function()
	{
		if((Premier - 3) < Photos.length && (Premier - 3) >= 0 )
		{
			ShowHide("image2",true);
			ShowHide("image3",true);
			Premier = Premier - 3;
			var element = document.getElementById("image1");
			element.src = Photos[Premier];
			var element = document.getElementById("image2");
			element.src = Photos[Premier+1];
			var element = document.getElementById("image3");
			element.src = Photos[Premier+2];
		}
	}, 

	ImagePrincipal: function(p_image)
	{
		var element = document.getElementById(p_image);
		var elimage = document.getElementById("image");
		elimage.src = element.src;
	},
	
	Defilement: function()
	{
		var i = 0;
		/*while(true)
		{
			var elimage = document.getElementById("image");
			elimage.src = Photos[i];
			i = i + 1;
			if(i == Photos.length)
			{
				i = 0;	
			}
			sleep(1000);
		}*/
	}
}

function sleep(milliseconds) {
  var start = new Date().getTime();
  while(true) {
    if ((new Date().getTime() - start) > milliseconds){
      break;
    }
  }
}