var time_duration = 0.3;

function toggle_menu(id)
{
	var ss_menu = $("menu_" + id);
	
	if(previous_id)
	{
		if($("menu_" + previous_id).style.display!= "none")
		{
			element = new Effect.toggle("menu_" + previous_id, "blind", { duration: time_duration });
			$("item_" + previous_id).removeClassName('current');
		}
	}
	if(ss_menu)
	{
		if($("menu_" + id).style.display!= "none")
		{
			$("item_" + id).removeClassName('current');
		}
		else
		{
			$("item_" + id).addClassName('current');
		}
		element = new Effect.toggle("menu_" + id, "blind", { duration: time_duration });
		
		previous_id = id;
	}
} 

function load_homepageSwf( src, flashvars )
{
	var expressInstall = false; //swf.useExpressInstall("expressinstall.swf");
	var params = {wmode: 'transparent'};
	var attributes = {};
	swfobject.embedSWF(src,"flashContainer","707","600","9", expressInstall, flashvars, params, attributes);
	
}

/**
 * necessaire au fichier flash
 */
function showMenu(menu, ssmenu)
{
	//toggle_menu(menu);
}


function codeTouche(evenement)
{
    for (prop in evenement)
    {
		if(prop == 'which') return(evenement.which);
    }
    return(evenement.keyCode);
}

function checkInteger(evenement)
{
        var reCarValides = /\d/;

        var codeDecimal  = codeTouche(evenement);
        
        if( codeDecimal == 8 ||  	// touche d'effacement
        	codeDecimal == 13 || 	// entrée
        	codeDecimal == 0  ||	// touche fonctionnnel
        	evenement.ctrlKey ) 	// Ctrl
        {
        	 return true;
        }
        var car = String.fromCharCode(codeDecimal);
        return reCarValides.test(car);
}

/**
 * permet d'aficher les contenus masqué et inversement
 */
function toggle_content(elm)
{
	if(elm)
	{
		if(elm.className == 'current')
		{
			elm.className = '';
		}
		else
		{
			elm.className =  'current';
		}
	}
} 

/**
 * 
 */
function switch_content(className, elm)
{
	if( elm )
	{
		var onglets = elm.parentNode.parentNode.getElementsByTagName('a');
		for(var i=0; i<onglets.length; i++)
		{
			onglets[i].className='';
		}
		elm.className =  'current';
	}
	
	$$('.classicContainer dl').invoke('hide');
	
	$$('.classicContainer dl.' + className).invoke('show');
}

/**
 * permet l'affichage de la desciption du compteur au survol
 */
function show_description(className)
{
	$$('.description_compteur dd').invoke('hide');
	$$('.description_compteur dt').invoke('hide');
	
	if( className )
	{
		$$('.description_compteur .' + className).invoke('show');
	}
	
}

/**
 * Useless class
 * just for rhetoric
 */
presta = Class.create();

/**
 * Create unobstrusive Tree browser 
 * Each branches are recursives
 * 		Just create a definition list and create new Tree with the dl element :
 * 		<dl id="mytree"><dt>title</dt><dd>definition</dd></dl>
 * 		->js : mytree_browser = new presta.Tree($("mytree"));
 * 
 * 
 *  @author 	depely
 *  @since 		2010/02/24
 *  @version 	1.0
 *  
 *  @param 	Element my_tree - element to transform to Tree Browser
 *  @param [optional] str root_name - html tag of root item
 *  @param [optional] str branch_name - html tag of branch item
 *  @param [optional] flaot time_duration - time used in Effect.toggle (else prototype.toggle is used)
 */

presta.Tree = Class.create({
	initialize: function(my_tree, root_name, branch_name, time_duration){
		var my_tree 	= my_tree;
		var root_name 	= root_name || "dt"; 
		var branch_name = branch_name || "dd";
		
		my_tree.select(root_name).each(function(my_child){
			my_child.style.cursor = "pointer";
			//TODO: Add default css
		});
		my_tree.select(branch_name).each(function(my_child){
			my_child.hide();
			//TODO: Add default css
		});
		
		my_tree.observe("click", function(my_event){
			if(my_event.element().tagName == root_name.toUpperCase())
			{
				//toggle next clicked branch 
				my_element = my_event.element().next(branch_name);
				
				// if before action, the branch is not displayed 
				// then the action unfold the branch and the root the class 'unfold'
				if( my_element.style.display == 'none' )
				{
					my_event.element().addClassName('unfold');
				}
				else
				{
					my_event.element().removeClassName('unfold');
				}
				
				if(time_duration){
					new Effect.toggle(my_element, "blind", { duration: time_duration });
				}else{
					my_element.toggle();
				}
			}
		});
	}
});