// 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 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();
	curves();
	
	// 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
	*/

	function numberorder(a,b) {return a-b;}

	// 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 < 400) {longest = 400;}
	// /find out who's longest =====
	
	// reset all containers to the longest value =====
	if (document.all) {// for IE
 		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);
		}
	// MUST come AFTER the above for IE7
	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 < 400) {longest = 400;}
	// /find out who's longest =====
	
	// reset all shellboxes to the longest value =====
	if (document.all) {// for IE
 		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);
		}
	// MUST come AFTER the above for IE7
	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 curves() {
	if (document.getElementsByClassName) {
		var curves = document.getElementsByClassName('curves');
		for (var n = 0; n < curves.length; n++) {
			var curve = curves[n];
			var imgs = curve.getElementsByTagName('img');
			for (var i = 0; i < imgs.length; i++) {
				var img = imgs[i];// should ONLY be 1 image per curves class!!!!!!!!!!!!!!!!!!
				img.style.visibility =  'hidden';
				}
			curve.style.backgroundImage = 'url('+img.src+')';
			curve.style.width = img.width+'px';
			curve.style.height = img.height+'px';
			}
		}
	else {
		for (var n = 0; n < 10; n++ ) {
			if (document.getElementById('curves'+n) != null) {
				var curve = document.getElementById('curves'+n);
				var imgs = curve.getElementsByTagName('img');
				for (var i = 0; i < imgs.length; i++) {
					var img = imgs[i];// should ONLY be 1 image per curves class!!!!!!!!!!!!!!!!!!
					img.style.visibility =  'hidden';
					}
				curve.style.backgroundImage = 'url('+img.src+')';
				curve.style.width = img.width+'px';
				curve.style.height = img.height+'px';
				}
			}
		}
// NOT DONE!!!!!!!!!!!!!!!!!!!!!!!!
/*
if (document.evaluate) {
return false;
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		}
*/
// /NOT DONE!!!!!!!!!!!!!!!!!!!!!!!!


	}
