function validate_departure_form(){
	if(document.getElementById("departure_form")){
		var valid = false;
		var err_message = "";
		var inputs = document.getElementsByName("packageDateID");
		
		for(var i=0; i<inputs.length; i++){
			if(inputs[i].type == "radio" && inputs[i].checked){
				valid = true;
				break;
			}
		}
		
		if(valid == false){
			err_message = "Please choose a departure date";
		}
		
		/* CHECK FOR THE EXISTANCE OF THE GROUP_SIZE FIELD. IT DOESN'T EXIST ON BARGE PAGES WHERE THEY CAN ONLY INQUIRE*/
		if(document.getElementById("group_size")){
			if(!$isInt(document.getElementById("group_size").value)){
				valid = false;
				if(err_message != ""){
					err_message = err_message + "\n";
				}
				err_message = err_message + "Please enter the group size as a number";
			/* WE DON'T NEED TO SET VALID TO TRUE IN AN ELSE CLAUSE HERE BECAUSE THIS IS THE LAST CHECK. SO
			IF ALL OF THE ABOVE CHECKS PASSED VALID IS ALREADY TRUE AND IF NOT WE WANT TO LEAVE IT AS FALSE.*/
			}
		}
	}
	
	if(!valid){
		alert(err_message);
	}
	
	return valid;
}

function onload_datesPrices(){
	/*var departure_form = $('departure_form');
	if(departure_form) {
		$("departure_form").onsubmit = function(){
			return validate_departure_form();
		}
		
		$("booking_form_button").onclick = function() {
			if(departure_form.onsubmit()) {
				departure_form.submit();
			}
			// BECAUSE WE ARE USING JAVASCRIPT:VOID(0) IN THE HREF WE NEED TO RETURN FALSE SO IE6 WILL STILL SUBMIT THE FORM
			return false;
		}
	}*/
	
	//NEED TO CONVERT THIS TO A CLASS
	//DEPARTURE DATE FILTERS EXPANDO
	//var id = "departure_date_filters";
	//var fx;
	
	//INITIALIZE SLIDER
	/*$$("#" + id + " dt").each(function(item, index, array){
		if(item.hasClass("expando_open")){
			fx = new Fx.Slide(item.getNext()).show();
					
		}else{
			fx = new Fx.Slide(item.getNext()).hide();
				
		}	
			
	});*/
	
	
	//EVENT HANDLER
	/*
	$$("#" + id + " dt").addEvent("click", function(){
		var delegate = this;
		//this.toggleClass("expando_open");
		//var ele = (this.getNext().get("tag") == "dd")? this.getNext() : this.getNext().getFirst();
		fx = new Fx.Slide(this.getNext().getFirst(), {
			onStart: function(){
				if(delegate.className.indexOf("expando_open") != -1){
					delegate.className = delegate.className.replace(/\s*expando_open/, "");
					alert(delegate.className);
					
								
				}else{
					delegate.className = delegate.className + " expando_open";
					alert(delegate.className);
				
				}
			
			
			}
				
		}).toggle();
		
	});*/
	
	
	
	
	
	
	
	
	
	
	
}