/*
-----------------------------------------------
CommunityHealthCenterBurlington.org
Script: vdwUtil.js
Author: Ben Glassman
Organization: Vermont Design Works
Created: 21 Apr 2009
----------------------------------------------- */

vdwUtil = {
	init:function() {
		vdwUtil.mailtoFix('REMOVETHISBEFORESENDING');
		vdwUtil.preparePopups();
		vdwUtil.prepareSecondaryNav();
		vdwUtil.prepareImages();
	},
	mailtoFix:function(stringToRemove) {
		var links = document.getElementsByTagName('a');
		var removeText = new RegExp(stringToRemove);
		for (var i = 0; i < links.length; i++) {
			if (links[i].href.indexOf('mailto:') != -1) {
				links[i].href = links[i].href.replace(removeText, '');
				links[i].firstChild.nodeValue = links[i].firstChild.nodeValue.replace(removeText, '');
				links[i].firstChild.nodeValue = links[i].firstChild.nodeValue.replace(/mailto:/, '');
			}
		}
	},
	popUp:function(winURL, name, parameters) {
		window.open(winURL, name, parameters);
	},
	preparePopups:function() {
		if (!document.getElementsByTagName) return false;
		var lnks = document.getElementsByTagName("a");
		for (var i=0; i<lnks.length; i++) {
			if (lnks[i].className == "popup") {
				lnks[i].title+= " (opens in a new window)";
				lnks[i].onclick = function() {
					vdwUtil.popUp(this.getAttribute("href"), "popup", "width=320,height=480");
					return false;
				}
			}
			if (lnks[i].className == "newsletter-popup") {
				lnks[i].title+= " (opens in a new window)";
				lnks[i].onclick = function() {
					vdwUtil.popUp(this.getAttribute("href"), "newsletter-popup", "menubar=no, location=no, toolbar=no, scrollbars=yes, height=500");
					return false;
				}
			}
			else if (lnks[i].className == "external") {
				lnks[i].title+= " (opens in a new window)";
				lnks[i].onclick = function() {
					vdwUtil.popUp(this.getAttribute("href"), "external", "");
					return false;
				}
			}
			else if (lnks[i].href != null && lnks[i].href.indexOf('.pdf') != -1) {
				lnks[i].title += " (opens in a new window)";
				lnks[i].onclick = function() {
					vdwUtil.popUp(this.getAttribute("href"), "pdf", "");
					return false;
				}
			}
		}
	},
	trimString:function(str) {
		return str.replace(/^\s*\n*\r*|\s*\n*\r*$/g,'');
	},
	fadeUp:function(element, red, green, blue) {
		if (element.fade) {
			clearTimeout(element.fade);
		}
		element.style.backgroundColor = 'rgb('+red+','+green+','+blue+')';
		if (red == 255 && green == 255 && blue == 255) {
			return;
		}
		var newred = red + Math.ceil((255-red)/10);
		var newgreen = green + Math.ceil((255-green)/10);
		var newblue = blue + Math.ceil((255-blue)/10);
		var repeat = function() {
			vdwUtil.fadeUp(element, newred, newgreen, newblue);
		}
		element.fade = setTimeout(repeat, 100);
	},
	prepareSecondaryNav : function() {
		$jq('#nav-secondary > ul ul').parent('li').addClass('contracted').prepend('<a href="#" class="nav-expand-contract">+/-</a>');
		$jq('#nav-secondary > ul > li.current.contracted').removeClass('contracted').addClass('expanded');
		$jq('#nav-secondary li .nav-expand-contract').click(function(e) {
			e.preventDefault();
			$jq(this).parent('li').toggleClass('contracted').toggleClass('expanded');
		});
	},
	prepareImages : function() {
		$jq('.image_right, .image_left').wrapInner('<div class="image_wrapper"></div>');
		$jq('.caption').each(function() {
			$jq(this).width($jq(this).parent().find('img').width());
		});
	}
}

sfHover = function() {
	var sfEls = document.getElementById("nav-primary").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

$jq(document).ready(vdwUtil.init);