// shared.js script, version 2.1, 08-13-03

// global vars ======================================================
var loc = location.pathname.split('/');
loc.length = loc.length - 1; // removes filename 

var d = location.pathname.replace(/\/[^\/]*/g,'../'); // return one depth too deep, see next line for fix
d = d.substring(0,(d.length-3)); // turns this: ../../ into this ../
// /global vars ======================================================

// img preloads =====================================================
/*
hh = new Image(); hh.src = "/pix/hh.gif"; hh_roll = new Image(); hh_roll.src = "/pix/hh_roll.gif";
*/	
// /img preloads =====================================================

// popup window functions ==========================================
function popflex(URL,winName,W,H,scroll) {
	if (scroll == "no")
		{scroll = "scrollbars=no";}
	else if (scroll == "yes")
		{scroll = "scrollbars";}
	var popwin = window.open(URL, winName,"top=0,left=30,width="+W+",height="+H+",resizable=no,"+scroll+"");
	popwin.focus();
	}	
// /popup window functions ==========================================

function showhide_v3() {
	divid = arguments[0];
	classes = arguments[1];
	onstate = arguments[2];
	force = ''; //stops toggling between on and off and forces either on or off whenever clicked 
	if (typeof arguments[3] != 'undefined') {force = arguments[3];}

	var state = 'none';
	if (document.getElementById(divid).className == classes+' none' || 
	document.getElementById(divid).className == 'none') {
		var state = onstate;
		}
	if (force != '') {state = force;}
	document.getElementById(divid).className = classes+' '+state;
	return divid;
	}

function rotator(prefix,classtype,n,total,time) {
	/*
	call from html like:
	
	<p class="block" id="blurb_1">This is some text</p>
	<p class="none" id="blurb_2">and here is another line</p>
	<p class="none" id="blurb_3">and another</p>
	<p class="none" id="blurb_4">and finish.</p>
	<script type="text/javascript">rotator('blurb','block',1,4,50000);</script>
	*/
	for (var i = 1; i <= total; i++) {
		var divid = prefix+'_'+i;
		var display = 'none';
		if (i == n) {display = classtype;}
		document.getElementById(divid).className = display;
		}
	n++;
	if (n > total) {n = 1;}
	setTimeout('rotator("'+prefix+'","'+classtype+'",'+n+','+total+','+time+')',time);
	}

function load_functions() {
	/*
	NOTE: this function MUST be called from body onload, ex: <body onload="load_functions();">
	this avoids render timing issues in Safari
	*/

	// functions to be run on every page:
	detect_height();
	auto_width();
	
	// functions run on a per/page basis. loadfunctions is an array declared in /folder/pagescript.js, each array object represents a function declared either in /shared.js or /folder/pagescript.js
	if (typeof loadfunctions !== 'undefined') {
		for (var n=0; n < loadfunctions.length; n++) {
			eval(loadfunctions[n]+'();');
			}
		}
	}

function detect_height() {
	/*
	NOTE: this function MUST be called from body onload, ex: <body onload="detect_height();">
	this avoids render timing issues in Safari
	*/
	
	var is_ie6 = ('ActiveXObject' in window && !('XMLHttpRequest' in window));// returns true or false
	
	function numberorder(a,b) {return a-b;}

	var minheight = 400;

	// page boxes =======================================================
	var pagecontainer = document.getElementById('pagecontainer');
	
	var box0 = document.getElementById('pagebox0');
	var box1 = document.getElementById('pagebox1');
	var box2 = document.getElementById('pagebox2');
	var box3 = document.getElementById('pagebox3');
	var boxfull = document.getElementById('pageboxfull');
	
	var boxes = new Array();

	boxes[0] = 0;
	if (box0 != null) {
		box0_H = box0.offsetHeight;//alert(box0_H);
		boxes[0] = box0_H;
		}
	boxes[1] = 0;
	if (box1 != null) {
		box1_H = box1.offsetHeight;//alert(box1_H);
		boxes[1] = box1_H;
		}
	boxes[2] = 0;
	if (box2 != null) {
		box2_H = box2.offsetHeight;//alert(box2_H);
		boxes[2] = box2_H;
		}
	boxes[3] = 0;
	if (box3 != null) {
		box3_H = box3.offsetHeight;//alert(box3_H);
		boxes[3] = box3_H;
		}
	boxes[4] = 0;
	if (boxfull != null) {
		boxfull_H = boxfull.offsetHeight;//alert(boxfull_H);
		boxes[4] = boxfull_H;
		}
	
	// find out who's longest =====
	boxes.sort(numberorder);//alert(boxes);
	var longest = boxes[(boxes.length-1)];//alert(longest);
	if (longest < minheight) {longest = minheight;}
	// /find out who's longest =====
	
	// reset all containers to the longest value =====
	if (is_ie6) {
	 	if (box0 != null) {box0.style.setExpression("height",'"'+longest+'px"');}
		if (box1 != null) {box1.style.setExpression("height",'"'+longest+'px"');}
		if (box2 != null) {box2.style.setExpression("height",'"'+longest+'px"');}
		if (box3 != null) {box3.style.setExpression("height",'"'+longest+'px"');}
		if (boxfull != null) {boxfull.style.setExpression("height",'"'+longest+'px"');}
		if (pagecontainer != null) {pagecontainer.style.setExpression("height",'"'+longest+'px"');}
  	document.recalc(true);
		}
	else {
		if (box0 != null) {box0.style.minHeight = longest+'px';}
		if (box1 != null) {box1.style.minHeight = longest+'px';}
		if (box2 != null) {box2.style.minHeight = longest+'px';}
		if (box3 != null) {box3.style.minHeight = longest+'px';}
		if (boxfull != null) {boxfull.style.minHeight = longest+'px';}
		if (pagecontainer != null) {pagecontainer.style.minHeight = longest+'px';}
		}
	// reset all containers to the longest value =====
	// /page boxes =======================================================

	// shell boxes =======================================================
	var shellcontainer = document.getElementById('shellcontainer');
	
	var shellbox0 = document.getElementById('shellbox0');
	var shellbox1 = document.getElementById('shellbox1');
	var shellbox2 = document.getElementById('shellbox2');
	
	var shellboxes = new Array();

	shellboxes[0] = 0;
	if (box0 != null) {
		shellbox0_H = shellbox0.offsetHeight;//alert(shellbox0_H);
		shellboxes[0] = shellbox0_H;
		}
	shellboxes[1] = 0;
	if (shellbox1 != null) {
		shellbox1_H = shellbox1.offsetHeight;//alert(shellbox1_H);
		shellboxes[1] = shellbox1_H;
		}
	shellboxes[2] = 0;
	if (shellbox2 != null) {
		shellbox2_H = shellbox2.offsetHeight;//alert(shellbox2_H);
		shellboxes[2] = shellbox2_H;
		}
	
	// find out who's longest =====
	shellboxes.sort(numberorder);//alert(boxes);
	var longest = shellboxes[(shellboxes.length-1)];//alert(longest);
	if (longest < minheight) {longest = minheight;}
	// /find out who's longest =====
	
	// reset all shellboxes to the longest value =====
	if (is_ie6) {
 		if (shellbox0 != null) {shellbox0.style.setExpression("height",'"'+longest+'px"');}
		if (shellbox1 != null) {shellbox1.style.setExpression("height",'"'+longest+'px"');}
		if (shellbox2 != null) {shellbox2.style.setExpression("height",'"'+longest+'px"');}
		if (shellcontainer != null) {shellcontainer.style.setExpression("height",'"'+longest+'px"');}
		document.recalc(true);
		}
	else {
		if (shellbox0 != null) {shellbox0.style.minHeight = longest+'px';}
		if (shellbox1 != null) {shellbox1.style.minHeight = longest+'px';}
		if (shellbox2 != null) {shellbox2.style.minHeight = longest+'px';}
		if (shellcontainer != null) {shellcontainer.style.minHeight = longest+'px';}
		}
	// reset all shellboxes to the longest value =====
	// /shell boxes =======================================================

	return true;
	}

function auto_width() {	
	for (var n = 0; n < document.getElementsByTagName('input').length; n++) {
		//alert(document.getElementsByTagName('input')[n].type);
		var obj = document.getElementsByTagName('input')[n];
		if (
		obj.type == 'submit' ||
		obj.type == 'button' ||
		obj.type == 'radio' ||
		obj.type == 'checkbox'
		) {
			obj.style.width = 'auto';
			}
		}
	}

// AJAX functions =============================================================
function createXMLHttpRequest() {
	try{return new ActiveXObject("Msxml2.XMLHTTP");}
	catch (e) {}
	try{return new ActiveXObject("Microsoft.XMLHTTP");}
	catch (e) {}
	try{return new XMLHttpRequest();}
	catch (e) {}
	alert('XMLHttpRequest not supported');
	return null;
	}

function ajax_response_example(table,table_col,table_id) {
	var xhr = createXMLHttpRequest();
	xhr.onreadystatechange = function() {
		if(xhr.readyState == 4) {// request is finished
			if(xhr.status == 200) {
				if (xhr.responseText != '') {
					//alert(xhr.responseText);// return text
					//alert(xhr.responseXML);// return xml obj, NOTE: on process.php MUST set the header like: ob_start(); print $xml; header("Content-type: application/xhtml+xml"); ob_end_flush();
					}
				}
			else {alert('XMLHttpRequest error: '+xhr.responseText);}
			}
		}
	xhr.open('GET','/admintools/process.php?process=ajax_validate_row_exists&table='+table+'&table_col='+table_col+'&table_id='+table_id,true);
	xhr.send(null);
	}

function ajax_check_unique(inputid,table,col,rowid,value) {
	//alert(inputid+','+table+','+col+','+rowid+','+value);return false;
	trim(value);
	if (value == '') {return;}
	var xhr = createXMLHttpRequest();
	xhr.onreadystatechange = function() {
		if(xhr.readyState == 4) {// request is finished
			if(xhr.status == 200) {
				if (xhr.responseText != '') {
					//alert(xhr.responseText);
					ajax_print_msg(inputid,xhr.responseText);
					}
				}
			else {alert('XMLHttpRequest error: '+xhr.responseText);}
			}
		}
	xhr.open('GET','/admintools/process.php?process=ajax_check_unique&table='+table+'&col='+col+'&id='+rowid+'&value='+value,true);
	xhr.send(null);
	}
function ajax_print_msg(inputid,msg) {
	alert(msg);
	document.getElementById(inputid).focus();
	return false;
	}
// /AJAX functions =============================================================

// jQuery functions ============================================================
$(function() {
	/*
	// Use this example, or...
	$('a[@rel*=lightbox]').lightBox(); // Select all links that contains lightbox in the attribute rel
	// This, or...
	$('#gallery a').lightBox(); // Select all links in object with gallery ID
	// This, or...
	$('a.lightbox').lightBox(); // Select all links with lightbox class
	// This, or...
	$('a').lightBox(); // Select all links in the page
	// ... The possibility are many. Use your creative or choose one in the examples above
	*/
	$('.gallery a').lightBox(); // Select all links in object with gallery class
});
// /jQuery functions ============================================================

// utilities ==================================================================
function trim( str, charlist ) {
    // Strip whitespace (or other characters) from the beginning and end of a string
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_trim/
    // +       version: 804.1015
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: mdsjack (http://www.mdsjack.bo.it)
    // +   improved by: Alexander Ermolaev (http://snippets.dzone.com/user/AlexanderErmolaev)
    // +      input by: Erkekjetter
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: DxGx
    // +   improved by: Steven Levithan (http://blog.stevenlevithan.com)
    // *     example 1: trim('    Kevin van Zonneveld    ');
    // *     returns 1: 'Kevin van Zonneveld'
    // *     example 2: trim('Hello World', 'Hdle');
    // *     returns 2: 'o Wor'

    var whitespace;
    
    if(!charlist){
        whitespace = ' \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000';
    } else{
        whitespace = charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '\$1');
    }
  
	for (var i = 0; i < str.length; i++) {
		if (whitespace.indexOf(str.charAt(i)) === -1) {
		str = str.substring(i);
		break;
		}
	}
	for (i = str.length - 1; i >= 0; i--) {
		if (whitespace.indexOf(str.charAt(i)) === -1) {
			str = str.substring(0, i + 1);
			break;
    	}
	}
	return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';
}// }}}

// {{{ rtrim
function rtrim ( str, charlist ) {
    // Strip whitespace (or other characters) from the end of a string
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_rtrim/
    // +       version: 804.1015
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Erkekjetter
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: rtrim('    Kevin van Zonneveld    ');
    // *     returns 1: '    Kevin van Zonneveld'

    charlist = !charlist ? ' \s\xA0' : charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '\$1');
    var re = new RegExp('[' + charlist + ']+$', 'g');
    return str.replace(re, '');
}// }}}

// {{{ ltrim
function ltrim ( str, charlist ) {
    // Strip whitespace (or other characters) from the beginning of a string
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_ltrim/
    // +       version: 804.1015
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Erkekjetter
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: ltrim('    Kevin van Zonneveld    ');
    // *     returns 1: 'Kevin van Zonneveld    '

    charlist = !charlist ? ' \s\xA0' : charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '\$1');
    var re = new RegExp('^[' + charlist + ']+', 'g');
    return str.replace(re, '');
}// }}}

function explode( delimiter, string ) {
    // Split a string by string
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_explode/
    // +       version: 804.1015
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: kenneth
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: explode(' ', 'Kevin van Zonneveld');
    // *     returns 1: {0: 'Kevin', 1: 'van', 2: 'Zonneveld'}

    var emptyArray = { 0: '' };

    if ( arguments.length != 2
        || typeof arguments[0] == 'undefined'
        || typeof arguments[1] == 'undefined' )
    {
        return null;
    }

    if ( delimiter === ''
        || delimiter === false
        || delimiter === null )
    {
        return false;
    }

    if ( typeof delimiter == 'function'
        || typeof delimiter == 'object'
        || typeof string == 'function'
        || typeof string == 'object' )
    {
        return emptyArray;
    }

    if ( delimiter === true ) {
        delimiter = '1';
    }

    return string.toString().split ( delimiter.toString() );
}// }}}

// {{{ strpos
function strpos( haystack, needle, offset){
    // Find position of first occurrence of a string
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_strpos/
    // +       version: 804.1015
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: strpos('Kevin van Zonneveld', 'e', 5);
    // *     returns 1: 14

    var i = haystack.indexOf( needle, offset ); // returns -1
    return i >= 0 ? i : false;
}// }}}

function cb_to_rad(form,obj) {
/*
make a set of checkboxes behave like a set of radio buttons with the added ability to have no selections

call like so:
<input onclick="cb_to_rad(docuemnt.formname,this);" type="checkbox" name="radname" id="radname_1" value="Yes" />'."\r\n";
<input onclick="cb_to_rad(docuemnt.formname,this);" type="checkbox" name="radname" id="radname_2" value="No" />'."\r\n";
*/
	var cb_array = new Array();
	var i = -1;
	for (var n=0;n<form.elements.length;n++) {
		if (form.elements[n].name == obj.name) {
			i++;
			cb_array[i] = form[n];
			}
		}
	for (var n=0;n<cb_array.length;n++) {
		if (obj.checked && cb_array[n].checked && cb_array[n].id != obj.id) {
			cb_array[n].checked = false;
			}
		}
	}
// /utilities ==================================================================
