// Javascript for Kama Sutra site

function checkHours(input,hostess,day)
{
 var correctedHours;
 var hours = input.value;
 
 input.style.color = "black";
 input.style.fontWeight = "normal";
 input.style.border = "solid 1px #A5ACB2";

 if(hours.match("^\\D*$"))
 	{
 	 input.value = "-";
 	 return;
	}

 if(hours.match("^(\\d{1,2})h-(\\d{1,2})h$") && RegExp.$1  < 25 && RegExp.$2 < 25)
	return;

 if(hours.match("\\D*\\d{1,2}(?!\\d)\\D+\\d{1,2}(?!\\d)|^\\D*\\d{4}\\D*$"))
 	{
 	 correctedHours = hours.replace(/\D*(\d{1,2})\D*(\d{1,2})\D*/,"$1h-$2h");
 	 if(RegExp.$1  < 25 && RegExp.$2 < 25)
 	 	{
		 input.value = correctedHours;
		 return;
		}
	}

 input.style.color = "red";
 input.style.fontWeight = "bold";
 input.style.border = "solid 1px red";
 alert("Erreur:\n\nHeures invalides: " + hostess + " - " + day + " - " + hours + "\n  ");
}

function newImage(arg) {
//	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
//	}
}

function changeImages() {
	if ((preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
//	if (document.images) {
		nav_accueil_out = newImage("../graphics/nav_accueil_out.gif");
		nav_accueil_over = newImage("../graphics/nav_accueil_over.gif");
		nav_accueil_down = newImage("../graphics/nav_accueil_down.gif");
		nav_welcome_out = newImage("../graphics/nav_welcome_out.gif");
		nav_welcome_over = newImage("../graphics/nav_welcome_over.gif");
		nav_welcome_down = newImage("../graphics/nav_welcome_down.gif");
		nav_hotesses_out = newImage("../graphics/nav_hotesses_out.gif");
		nav_hotesses_over = newImage("../graphics/nav_hotesses_over.gif");
		nav_hotesses_down = newImage("../graphics/nav_hotesses_down.gif");
		nav_hostesses_out = newImage("../graphics/nav_hostesses_out.gif");
		nav_hostesses_over = newImage("../graphics/nav_hostesses_over.gif");
		nav_hostesses_down = newImage("../graphics/nav_hostesses_down.gif");
		nav_services_out = newImage("../graphics/nav_services_out.gif");
		nav_services_over = newImage("../graphics/nav_services_over.gif");
		nav_services_down = newImage("../graphics/nav_services_down.gif");
		nav_premises_out = newImage("../graphics/nav_premises_out.gif");
		nav_premises_over = newImage("../graphics/nav_premises_over.gif");
		nav_premises_down = newImage("../graphics/nav_premises_down.gif");
		nav_locaux_out = newImage("../graphics/nav_locaux_out.gif");
		nav_locaux_over = newImage("../graphics/nav_locaux_over.gif");
		nav_locaux_down = newImage("../graphics/nav_locaux_down.gif");
		nav_coordonnees_out = newImage("../graphics/nav_coordonnees_out.gif");
		nav_coordonnees_over = newImage("../graphics/nav_coordonnees_over.gif");
		nav_coordonnees_down = newImage("../graphics/nav_coordonnees_down.gif");
		nav_coordinates_out = newImage("../graphics/nav_coordinates_out.gif");
		nav_coordinates_over = newImage("../graphics/nav_coordinates_over.gif");
		nav_coordinates_down = newImage("../graphics/nav_coordinates_down.gif");

		preloadFlag = true;
//	}
}