/**
 * display selected region in red over the french map
 * and display the region name in the div below the map
 * 
 * @param regionName
 * @return
 */
function onMouseOverRegion( regionName, selected )
{
	$("regionName").show();
	
	if( regionName != selected )
	{
		$("region_"+regionName+"_red").show();
	}
	
	$("regionName").innerHTML = a_regions[regionName]["libelle"];
}


/**
 * mask the red color over the french map
 * and mask the div with region name below the map
 * 
 * @param regionName
 * @return
 */
function onMouseOutRegion( regionName, selected )
{
	$("regionName").hide();

	if( regionName != selected )
	{
		$("region_"+regionName+"_red").hide();
	}
	
	$("regionName").innerHTML = "";
}


/**
 * Switch element visibility
 * @param a_elements - Array contains id of elements to roll
 * @param rolling_interval - Integer
 * 
 */
function switch_element (a_elements, rolling_interval) {
	var current 		= 0;
	var element_length	= a_elements.length - 1;
	var intervalId;
	
	/* init: show first element of a_elements */
	var init = function(){
		for(i = 0; i < element_length; i++){
			if(i == current){
				$(a_elements[i]).show();
			}
			else{
				$(a_elements[i]).hide();
			}
		}

		if(rolling_interval){
			start_automatic_roll();
		}
		
	};
	
	/* perform rolling element */
	var roll = function(){
		$(a_elements[current]).hide();
		
		if(current < element_length) {
			current++;
		}
		else{
			current = 0;
		}
		
		$(a_elements[current]).show();
		
		start_automatic_roll();
	};
	
	/* start & restart automatic roll */
	var start_automatic_roll = function(){
		clearInterval(intervalId);
		intervalId = setInterval(roll, rolling_interval);
	};
	init();
}


/**
 * refresh list of affiliate in function of selected company_group
 * 
 * @param	id_company_group
 * @return	list of affiliate
 */
function refreshAffiliateList( value, selected_value )
{
	//get affiliate selectBox and purge it
	select = $("affiliate_selectBox");
	select.options.length = 0;
	
	//after purge, insert new affiliate list for selected company_group	
	var new_option = new Option( '', '', false );
	select.options[select.length] = new_option;
	
	if( typeof( affiliateIndexedByCompanyGroup[value] ) != "undefined" && affiliateIndexedByCompanyGroup[value].length > 0 )
	{
		newAffiliateList = affiliateIndexedByCompanyGroup[value];
		for( j=0; j < newAffiliateList.length; j++)
		{
			selected = false;
			if( newAffiliateList[j]['id_affiliate'] == selected_value )
			{
				selected = true;
			}
			var new_option = new Option( newAffiliateList[j]['name'], newAffiliateList[j]['id_affiliate'], selected );
			select.options[select.length] = new_option;
		}
	}
}