function checkLogin() {
	var passwordInput = document.getElementById('password');
	if (passwordInput.value.length > 0) {
		showRealPassword();
	}
}

function clearUsername(state) {
	var txt = 'Enter e-mail address';
	var usernameObj = document.getElementById('username');
	if (usernameObj.value == txt) {
		usernameObj.value = '';
	}
}

function checkUsername(state) {
	var txt = 'Enter e-mail address';
	var usernameObj = document.getElementById('username');
	var passwordInput = document.getElementById('password');
	var passwordMaskDiv = document.getElementById('passwordMask');

	if (usernameObj.value != txt) {
		showRealPassword();
	}
}

function inputMaskFocus() {
	var txt = 'Enter password';
	var passwordMaskInput = document.getElementById('passwordMaskInput');
	
	if (passwordMaskInput.value == txt) {
		passwordMaskInput.value = '';
		showRealPassword();
	}
}

function showRealPassword() {
	var passwordMaskDiv = document.getElementById('passwordMask');
	var passwordInput = document.getElementById('password');
	passwordMaskDiv.style.display = 'none';
	passwordInput.style.display = 'block';
	passwordInput.focus();
}

//sniffer
var agt=navigator.userAgent.toLowerCase();
var appVer = navigator.appVersion.toLowerCase();
var is_mac = (agt.indexOf("mac")!=-1);
var is_minor = parseFloat(appVer);
var is_major = parseInt(is_minor);
var is_opera = (agt.indexOf("opera") != -1);
var iePos  = appVer.indexOf('msie');
var is_mac_ie = false;
if (iePos !=-1) {
   is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)));
   is_major = parseInt(is_minor);
}
var is_ie = ((iePos!=-1) && (!is_opera));
if (is_mac && is_ie) {
	is_mac_ie = true;
}
var is_ie5up = (is_ie && is_minor >= 5);
var is_ie5_5up =(is_ie && is_minor >= 5.5);
var is_safari = ((agt.indexOf('safari')!=-1)&&(agt.indexOf('mac')!=-1))?true:false;
var nn4 = false;
if (document.layers) {
	nn4 = true;
}
//end sniffer

//code for redirecting to www.plumbenefits.com
if (window.location.href.indexOf("plumbenefits") != -1 && window.location.href.indexOf("www") == -1) {        
	var b = window.location.href.split("//");
	if (b[1].indexOf("www") == -1 && b[1].indexOf("elqLForm") == -1) {  
	  var newURL = b[0]+ "//www."+ b[1]; 
	  window.location = newURL;  
	}
}
//MENU GLOBALS AND FUNCTIONS
var	currMenu=-1;
var id = 0;
var mytimeout;
var clearDelayDuration = 100;
var selectBoxHack = 0;
var mask;
var maskOffsetTop = 23;
var maskOffsetHeight = -45;
var maskOffsetLeft = 0;
var maskOffsetWidth = 0;

// Turn iFrame mask on for IE 5.5+ / PC only
if (is_ie && !is_mac_ie) {
	if (is_ie5_5up) {
		selectBoxHack = 2;
	} else {
		selectBoxHack = 1;
	}
}

function showme(id) {
	clearTimeout(mytimeout);
	if (currMenu != id) {
	//show menu
		try {
			var o = getObj("menu"+id);
			var os = getStyleObj(o);
			os.visibility = "visible";
			currMenu = id;
	
			if (selectBoxHack && (o.offsetHeight + maskOffsetHeight) > 0) {
				if (selectBoxHack > 1) {
					mask = getObj("mask");
					mask.style.left = offsetLeft(o) + maskOffsetLeft;
					mask.style.top = offsetTop(o) + maskOffsetTop;
					mask.style.width = o.offsetWidth + maskOffsetWidth;
					mask.style.height = o.offsetHeight + maskOffsetHeight;
				} else {
					toggleSelect("hide");
				}
			}
		} catch (e) {}
	}
}

function clearme() {
	if (currMenu != -1) {
		//hide menu
		clearTimeout(mytimeout);
		var o = getObj("menu"+currMenu);
		var os = getStyleObj(o);
		os.visibility = "hidden";
		currMenu=-1;

		if (selectBoxHack) {
			if (mask) {
				mask.style.left = -500;
				mask.style.top = -500;
			}
			toggleSelect("show");
		}
	}
}

function clearmenus() {
	clearTimeout(mytimeout);
	mytimeout = setTimeout("clearme()", clearDelayDuration);
}

function getObj(theId) {
    if (document.getElementById) {
        theObj = document.getElementById(theId); 
    } else if (document.all) { 
        theObj = document.all[theId];
    } else {
    	theObj = document.layers[theId];
    }
    return theObj;
}

function getStyleObj(o) {
    if (document.getElementById || document.all) { 
        return o.style;
    } else {
    	return o;
    }
}

//Mac IE offset fix
function offsetLeft(o){
    var i = 0;
  	var hack = 0;
    while (o.offsetParent!=null) {
        i += o.offsetLeft;
       	hack = o.offsetLeft;
        o = o.offsetParent;
    }
    return i + o.offsetLeft - hack;
}
function offsetTop(o){
    var i = 0;
    while (o.offsetParent!=null) {
        i += o.offsetTop;
        o = o.offsetParent;
    }
    return i + o.offsetTop;
}

function toggleSelect(v) {
	var f = document.forms;
	for	(var i=0;i<f.length;i++) {
		for (var j=0; j<f[i].elements.length; j++) {
			if(f[i].elements[j].type == 'select-one') {
				if (v == 'show') {
					f[i].elements[j].style.visibility = 'visible';
				} else {
					f[i].elements[j].style.visibility = 'hidden';
				}				
			}
		}
	}
}
//END MENU

function swapImg(target, value) {
	document.getElementById(target).src = document.getElementById(value).src
}

function formatPhone (field) {
    field.value = trim(field.value);

    var ov = field.value;
    var v = "";
    var x = -1;
    // is this phone number 'escaped' by a leading plus?
    if (0 < ov.length && '+' != ov.charAt(0)) { // format it
        // count number of digits
        var n = 0;
        if ('1' == ov.charAt(0)) {  // skip it
            ov = ov.substring(1, ov.length);
        }

        for (i = 0; i < ov.length; i++) {
            var ch = ov.charAt(i);
            // build up formatted number
            if (ch >= '0' && ch <= '9') {
                if (n == 0) v += "(";
                else if (n == 3) v += ") ";
                else if (n == 6) v += "-";
                v += ch;
                n++;
            }

            // check for extension type section;
            // are spaces, dots, dashes and parentheses the only valid non-digits in a phone number?
            if (! (ch >= '0' && ch <= '9') && ch != ' ' && ch != '-' && ch != '.' && ch != '(' && ch != ')') {
                x = i;
                break;
            }
        }
        // add the extension
        if (x >= 0) {
        	v += " " + ov.substring(x, ov.length);
        }

        // if we recognize the number, then format it
        if (n == 10 && v.length <= 40) field.value = v;
    }
    return true;
}
function ltrim(s) {
return s.replace( /^\s*/, "" );
}

function rtrim(s) {
return s.replace( /\s*$/, "" );
}

function trim(s){
return rtrim(ltrim(s));
}

function clearForm(obj) {
	var f = document.getElementById(obj);
	try {
		for (x=0;x<f.elements.length;x++) {
			if (f.elements[x].type == "checkbox") {
				f.elements[x].checked = 0;
			}
			if (f.elements[x].type == "text") {
				f.elements[x].value = "";
			}
		}
	} catch (e) {
		alert(e.description);
		
	}
}

function clearAccountForm(obj) {
	var f = document.getElementById(obj);
	try {
		for (x=0;x<f.elements.length;x++) {
			if (f.elements[x].type == "checkbox") {
				f.elements[x].checked = 0;
			}
			if (f.elements[x].type == "text") {
				f.elements[x].value = "";
			}
		}
	} catch (e) {
		alert(e.description);
		
	}
}

function makeRequest(url, method, qs, handler) {
        var request = false;

        if (window.XMLHttpRequest) {
            request = new XMLHttpRequest();
            if (request.overrideMimeType) {
                request.overrideMimeType('text/xml');
            }
        } else if (window.ActiveXObject) {
            try {
                request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!request) { //error
            return false;
        }
        request.onreadystatechange = function() { eval(handler + "(request)"); };
        request.open(method, url, true);
        request.send(qs);

}

function displayRecommendedOffers(request) {
	if (request.readyState != 4 || request.status != 200) {
		return false;
        }
	var outputA = "";
	var outputB = "<div class='home-content-tr'><table cellspacing='1' cellpadding='1' border='0'>";
	outputB += "<tr><td><img height='10' src='/images/spacer.gif' width='1' border='0' /></td></tr>";
	outputB += "<tr><td><img height='32' alt='Based on your profile, we recommend the following events:' src='/media/images/home_emp_Recommend.gif' width='227' border='0' /></td></tr>";
	outputB += "<tr><td><img height='10' src='/images/spacer.gif' width='1' border='0' /></td></tr>";
	var alt_bgcolor = "#b2c396";
	var counter = 1;
	var offers = request.responseXML.getElementsByTagName('recommendedoffers').item(0).getElementsByTagName('offer');
	for (var i=0;i<offers.length;i++) {
		var id = offers.item(i).getElementsByTagName('id')[0].firstChild.nodeValue;
		var name = offers.item(i).getElementsByTagName('name')[0].firstChild.nodeValue;
		outputA += "<div class='nav_over_content'><a href='/offers/detail?id=" + id + "&name=" + name + "'>" + name + "</a></div>";
		outputB += "<tr><td bgcolor=" + alt_bgcolor + ">&nbsp;<font color='#56653e'>" + counter + "&nbsp; <a style='TEXT-DECORATION: none' href='/offers/detail?id=" + id + "&name=" + name + "'><font color='#425721'><strong>" + name + "</strong></font></a></font></td></tr>";
		if (counter++ % 2) {
			alt_bgcolor = "";
		} else {
			alt_bgcolor = "#b2c396";
		}
	}
	if (offers.length < 1) {
		outputA = "<div class='nav_over_content'>No offers found</div>";
		outputB = "";
	} else {
		outputB += "<tr><td></td></tr>";
		outputB += "<tr><td>&nbsp;&nbsp; <img height='9' src='/media/images/green_arrow_tran.gif' width='5' border='0' />&nbsp;<a href='/account/manage'><font color='#5f7846'>Manage Your Profile</font></a> </td></tr>";
		outputB += "</table></div>";

	}
	var divSearch = document.getElementsByTagName("div");
	for (var i=0;i<divSearch.length;i++) {
		if (divSearch[i].className.toLowerCase() == "offer_wrapper1") {
			divSearch[i].innerHTML = outputA;
		}
		if (divSearch[i].className.toLowerCase() == "offer_wrapper2") {
			divSearch[i].innerHTML = outputB;
		}
	}
}

function togglePreferencesCheckBox(ckbox,size) {    
    if (ckbox.checked) {
        //check all subcategories
        if (size > 0) {
            for (var i = 0; i < size; i++) {
                var subCatid = ckbox.id+i;                
                var subCheckBox = document.getElementById(subCatid);
                subCheckBox.checked = true;
            }
        }        
    } else {
        //uncheck all subcategories
        if (size > 0) {
            for (var i = 0; i < size; i++) {
                var subCatid = ckbox.id+i;                
                var subCheckBox = document.getElementById(subCatid);
                subCheckBox.checked = false;
            }
        }
    }
    
}

function toggleTopCat(catid) {   
   var topCatCkBox = document.getElementById(catid);   
   topCatCkBox.checked = false;
}

//call AJAX onload
//var existingOnLoad = this.onload;
//this.onload = function() {
//	try {
//		existingOnLoad();
//	} catch(e) {}
//	makeRequest('/offers/myoffers?maxoffers=4', 'GET', null, 'displayRecommendedOffers')
//}