//<!-- Copyright © 2001 Carleton Technologies Inc. All Rights Reserved -->
//$Id: course_form.js,v 1.4 2010/06/14 12:28:33 pete Exp $Exp:
seq = 0;

function add_item(myvar){
	if(seq > (max_courses-1)) {
		alert(too_many_courses);
	} else {
		document.course.course_basket.options[seq].text = document.course.list.options[myvar].text;
		document.course.course_basket.options[seq].value = document.course.list.options[myvar].value;
		seq = seq + 1;
	}
	//document.course.output.value = seq;
}

function remove_item(myvar){
	if((document.course.course_basket.options[myvar].text != "[ ------------------ Course "+(myvar+1)+" ------------------ ]") && (document.course.course_basket.options[myvar].value != "")){
		//Reset the selected course
		document.course.course_basket.options[myvar].text = "[ ------------------ Course "+(myvar+1)+" ------------------ ]";
		document.course.course_basket.options[myvar].value = "";

		for( i = 0; i < (max_courses-1); i++){
			//check to see if resequencing is required
			if((document.course.course_basket.options[i].text == "[ ------------------ Course "+(i+1)+" ------------------ ]") && (document.course.course_basket.options[i].value == "") && (document.course.course_basket.options[i+1].text == "[ ------------------ Course "+(i+2)+" ------------------ ]") && (document.course.course_basket.options[i+1].value == "")) {
				i = max_courses;
   			} else {
				if((document.course.course_basket.options[i].text == "[ ------------------ Course "+(i+1)+" ------------------ ]") && (document.course.course_basket.options[i].value == "")){
					document.course.course_basket.options[i].text = document.course.course_basket.options[i+1].text;
					document.course.course_basket.options[i].value = document.course.course_basket.options[i+1].value;
					document.course.course_basket.options[i+1].text = "[ ------------------ Course "+(i+2)+" ------------------ ]";
					document.course.course_basket.options[i+1].value = "";
    				}
    			}
		}
		seq = seq - 1;
		//document.course.output.value = seq;
	}
}

function submit_them(){
	if(document.course.course_basket.options[0].text != "[ ------------------ Course 1 ------------------ ]"){
		for(i = 0; i < max_courses; i++){
			document.course.elements[(3+i)].value = document.course.course_basket.options[i].value;
		}
		return true;
  	} else {
		alert("Please select at least 1 course before attempting to search");
		return false;
	}
}