Event.observe(window, 'load', init);

	var cachepara1 = true;
	var cachepara2 = true; 
	var cachepara3 = true;
	
	
	function init(evt)
	{
		Event.observe('plus1', 'click', montre1);
		Event.observe('moins1', 'click', montre1);
		Event.observe('plus2', 'click', montre2);
		Event.observe('moins2', 'click', montre2);
		Event.observe('plus3', 'click', montre3);
		Event.observe('moins3', 'click', montre3);
	}

	
	function montre1(evt)
	{
		
		if (cachepara1)
		{
			new Effect.SlideDown('info_block_1');
			cachepara1 = false;
			document.getElementById('sous_block_afficher1').style.display = "none"
			document.getElementById('sous_block_masquer1').style.display = "block"
		} 
		else
		{
			new Effect.SlideUp('info_block_1');
			cachepara1 = true;
			document.getElementById('sous_block_afficher1').style.display = "block"
			document.getElementById('sous_block_masquer1').style.display = "none"
			
		}	
		
	}
	
	
	function montre2(evt)
	{
		
		if (cachepara2)
		{
			new Effect.SlideDown('info_block_2');
			cachepara2 = false;
			document.getElementById('sous_block_afficher2').style.display = "none"
			document.getElementById('sous_block_masquer2').style.display = "block"
		} 
		else
		{
			new Effect.SlideUp('info_block_2');
			cachepara2 = true;
			document.getElementById('sous_block_afficher2').style.display = "block"
			document.getElementById('sous_block_masquer2').style.display = "none"
		}	
		
	}
	
	
	function montre3(evt)
	{
		
		if (cachepara3)
		{
			new Effect.SlideDown('info_block_3');
			cachepara3 = false;
			document.getElementById('sous_block_afficher3').style.display = "none"
			document.getElementById('sous_block_masquer3').style.display = "block"
		} 
		else
		{
			new Effect.SlideUp('info_block_3');
			cachepara3 = true;
			document.getElementById('sous_block_afficher3').style.display = "block"
			document.getElementById('sous_block_masquer3').style.display = "none"
		}	
		
	}