// Begin Search JS
// Alex Kirsch ->developer
// Digital MediaVision
// December 12, 2002

function toggleSearch(imageName) {// Purpose: Toggle between searching options
	var btnSRC = document.images[imageName].src; // Grab the SRC reference
	btnSRC = btnSRC.split('/'); // Convert the sting to an array to isolate btn SRC
	var btnLength = btnSRC.length; 
	var btn = btnSRC[btnLength - 1]; // Identify the btn gif src that is being clicked 
	var on = 'checkbox_on.gif';
	var off = 'checkbox_off.gif';
	HWYLTS = ['author', 'isbn', 'title', 'searchAll']; // How would you like to search? Option Array
	
	switch (imageName){
	
		// If ALL TITLES btn is selected
		// ALL TITLES btn is SELECTED by DEFAULT
		case 'allTitles':
		if (btn == on) {// toggles off ALL TITLES btn
		document.images[imageName].src = '/images/checkbox_off.gif';
		document.images['bkCompanion'].src = '/images/forms/checkbox_on.gif';
		}else{
		document.images[imageName].src = '/images/checkbox_on.gif';
		document.images['bkCompanion'].src = '/images/checkbox_off.gif';
		}
		break;
		
		// if BOOK COMPANION btn is selected
		case 'bkCompanion':
		if (btn == off) {
		document.images[imageName].src = '/images/checkbox_on.gif';
		document.images['allTitles'].src = '/images/checkbox_off.gif';
		}else{
		document.images[imageName].src = '/images/checkbox_off.gif';
		document.images['allTitles'].src = '/images/checkbox_on.gif';
		}
		break;
		
		// if CURRENT DISCIPLINE btn is selected
		// CURRENT DISCIPLIE is SELECTED by DEFAULT
		case 'currentDiscipline':
		if (btn == off) {
		document.images[imageName].src = '/images/checkbox_on.gif';
		document.images['allDisciplines'].src = '/images/checkbox_off.gif';
		}else{
		document.images[imageName].src = '/images/checkbox_off.gif';
		document.images['allDisciplines'].src = '/images/checkbox_on.gif';
		}
		break;
		
		// if ALL DISCIPLINES btn is selected
		case 'allDisciplines':
		if (btn == on) {
		document.images[imageName].src = '/images/checkbox_off.gif';
		document.images['currentDiscipline'].src = '/images/checkbox_on.gif';
		}else{
		document.images[imageName].src = '/images/checkbox_on.gif';
		document.images['currentDiscipline'].src = '/images/checkbox_off.gif';
		}
		break;
		
		// if SEARCH ALL btn is selected
		// SEARCH ALL is SELECTED by DEFAULT
		case 'searchAll':
		if (btn == off) {
		document.images[imageName].src = '/images/checkbox_on.gif';
			// Turn off all the other btns except the one selected
			for (i=0; i < HWYLTS.length ; i++) {
				if (HWYLTS[i] != imageName) {
				document.images[HWYLTS[i]].src = '/images/checkbox_off.gif';
				}
			}
		}else{
		document.images[imageName].src = '/images/checkbox_off.gif';
		}
		break;
		
		// if AUTHOR btn is selected
		case 'author':
		if (btn == off) {
		document.images[imageName].src = '/images/checkbox_on.gif';
			// Turn off all the other btns except the one selected
			for (i=0; i < HWYLTS.length ; i++) {
				if (HWYLTS[i] != imageName) {
				document.images[HWYLTS[i]].src = '/images/checkbox_off.gif';
				}
			}
		}else{
		document.images[imageName].src = '/images/checkbox_off.gif';
		}
		break;
		
		// if TITLE btn is selected
		case 'title':
		if (btn == off) {
		document.images[imageName].src = '/images/checkbox_on.gif';
			// Turn off all the other btns except the one selected
			for (i=0; i < HWYLTS.length ; i++) {
				if (HWYLTS[i] != imageName) {
				document.images[HWYLTS[i]].src = '/images/checkbox_off.gif';
				}
			}
		}else{
		document.images[imageName].src = '/images/checkbox_off.gif';
		}
		break;
		
		// if ISBN btn is selected
		case 'isbn':
		if (btn == off) {
		document.images[imageName].src = '/images/checkbox_on.gif';
			// Turn off all the other btns except the one selected
			for (i=0; i < HWYLTS.length ; i++) {
				if (HWYLTS[i] != imageName) {
				document.images[HWYLTS[i]].src = '/images/checkbox_off.gif';
				}
			}
		}else{
		document.images[imageName].src = '/images/checkbox_off.gif';
		}
		break;
	}

}
// end search JS