function checkUsername(obj, errObj, crossDomainCallback) {
	

	var fieldVal = $.trim($(obj).val());
	var result = false;

	if (validate(obj, errObj)) {
		var regexp = new RegExp("^[a-zA-Z]{1}\\w{5,}$");
		if (!fieldVal.match(regexp)) {
			$(obj).attr("tooltip","Your Username must be between 6-20 alphanumeric characters.");
			$(obj).tipsy("show");
			setFocus(obj);	
			return false;	
		}

		
		
		
		
		
			
			
			
			
		
		$.ajax({
		    url: 'http://friends.shanghaidaily.com/validateDuplicate.jhtml',
		    type: 'GET',
		    dataType: 'jsonp',
		    async: false,
		    data: "action=checkDuplicate&field=username&value="+fieldVal,
		    success: function (data) {
				data = data.occupied;
		    	if (data=='true') {
					$(obj).attr("tooltip","Sorry, that Username is already taken. Please enter another one.");
					$(obj).tipsy("show");
					setFocus(obj);	
		    	} else {
		    		crossDomainCallback();
		    	}
		    }
		});
	}
	
	return result;
}

function checkEmailAddress(obj, errObj, crossDomainCallback) {
	var fieldVal = $.trim($(obj).val());
	var result = false;

	if (validate(obj, errObj)) {
		if (!isEmailFormatValid(fieldVal)) {
			$(obj).attr("tooltip","Please enter your Email Address in the correct format. e.g. john@gmail.com.");
			$(obj).tipsy("show");
			setFocus(obj);	
			return false;		
		}
	
		
		
		
		
		
			
			
			
			
		
		$.ajax({
		    url: 'http://friends.shanghaidaily.com/validateDuplicate.jhtml',
		    type: 'GET',
		    dataType: 'jsonp',
		    async: false,
		    data: "action=checkDuplicate&field=emailaddress&value="+fieldVal,
		    success: function (data) {
				data = data.occupied;
		    	if (data=='true') {
					$(obj).attr("tooltip","This email address has been used already. Please register with other email address.");
					$(obj).tipsy("show");
					setFocus(obj);	
		    	} else {
		    		crossDomainCallback();
		    	}
		    }
		});	
	}
	return result;
}

function checkCaptcha(obj, errObj, crossDomainCallback){
	var fieldVal = $.trim($(obj).val());
	var result = false;
	
	if (validate(obj, errObj)) {
		
		
    	$.ajax({
		    url: '/captcha/search.jhtml',
		    type: 'GET',
		    dataType: 'text',
		    async: false,
		    data: "action=captchaCheck&captchaCode="+fieldVal,
		    success: function (data) {
		    data = $.trim(data);
		    	if (data=='false') {
		    		$("#captchaCode").attr("tooltip","signup.captcha.err.incorrect");
					$("#captchaCode").tipsy("show");
					setFocus($("#captchaCode"));
		    	}else{
		    		result = true;
		    	}
		    }
		});
    }
    return result;
}

function checkPassword(obj, usernameObj) {
	var fieldVal = $.trim($(obj).val());
	var usernameVal;
	
	
	
		if($(usernameObj).length) {
			usernameVal = $(usernameObj).val();
		}
	
	

	if (validate(obj)) {
		var regexp = new RegExp("^\\w{6,}$");
		if (!fieldVal.match(regexp)) {
			$(obj).attr("tooltip","Please enter your Password. Your Password must be between 6-20 alphanumeric characters");
			$(obj).tipsy("show");
			setFocus(obj);
			return false;
		}

		if (fieldVal==usernameVal) {
			$(obj).attr("tooltip","Your Password must be different from your Username.");
			$(obj).tipsy("show");
			setFocus(obj);
			return false;
		}
		
		return true;
	}
	
	return false;
}

function checkPassword2(obj, obj1) {
	var fieldVal = $.trim($(obj).val());
	var passwordVal = $.trim($(obj1).val());

	if (validate(obj)) {
		if (fieldVal!=passwordVal) {
			$(obj).attr("tooltip","Your Passwords do not match. Please try again.");
			$(obj).tipsy("show");
			setFocus(obj);
			return false;
		}
		
		return true;
	}
	
	return false;
}

function checkSpokenLanguages(selObj, obj1, obj2, obj3, errObj) {
	initSpokenLanguages(selObj, obj1, obj2, obj3)
	return validate(obj1, errObj);
}

function initSpokenLanguages(selObj, obj1, obj2, obj3) {
	var lang1Id = $(obj1).attr("id");
	var lang2Id = $(obj2).attr("id");
	var lang3Id = $(obj3).attr("id");
	
	// Enable all options
	$(selObj).each(function() {
		$(this).children().each(function() {
			$(this).removeAttr('disabled');
		});
	});

	// Disable the selected option
	$('#'+lang1Id+' > option').each(function() {
		if ($(this).val()!=0 && ($(this).val()==$('#'+lang2Id).val() || $(this).val()==$('#'+lang3Id).val())) {
			$(this).attr('disabled','disabled');
		}
	});

	$('#'+lang2Id+' > option').each(function() {
		if ($(this).val()!=0 && ($(this).val()==$('#'+lang1Id).val() || $(this).val()==$('#'+lang3Id).val())) {
			$(this).attr('disabled','disabled');
		}
	});

	$('#'+lang3Id+' > option').each(function() {
		if ($(this).val()!=0 && ($(this).val()==$('#'+lang1Id).val() || $(this).val()==$('#'+lang2Id).val())) {
			$(this).attr('disabled','disabled');
		}
	});

	// Disable spokenLanguages2
	if ($('#'+lang1Id).val() > 0) {
		$('#'+lang2Id).removeAttr('disabled');
	} else {
		// Enable back the spokenLanguages2 item
		$('#'+lang1Id+' > option').each(function() {
			if ($(this).val()==$('#'+lang2Id).val()) {
				$(this).removeAttr('disabled');
			}
		});
		$('#'+lang3Id+' > option').each(function() {
			if ($(this).val()==$('#'+lang2Id).val()) {
				$(this).removeAttr('disabled');
			}
		});

		$('#'+lang2Id).attr('disabled','disabled');
		$('#'+lang2Id+' option:first').attr('selected', 'selected');
	}

	// Disable spokenLanguages3
	if ($('#'+lang2Id).val() > 0) {
		$('#'+lang3Id).removeAttr('disabled');
	} else {
		// Enable back the spokenLanguages3 item
		$('#'+lang1Id+' > option').each(function() {
			if ($(this).val()==$('#'+lang3Id).val()) {
				$(this).removeAttr('disabled');
			}
		});
		$('#'+lang2Id+' > option').each(function() {
			if ($(this).val()==$('#'+lang3Id).val()) {
				$(this).removeAttr('disabled');
			}
		});

		$('#'+lang3Id).attr('disabled','disabled');
		$('#'+lang3Id+' option:first').attr('selected', 'selected');
	}
}


function checkGender(obj, errObj) {
	return validate(obj, errObj);
}

function checkBirth(yearObj, monthObj, dayObj, errObj) {
	errObj = errObj==null ? dayObj : errObj;
	
	if (validate(yearObj, errObj)) {
		if (validate(monthObj, errObj)) {
			if (validate(dayObj, errObj)) {
				

				var birthYear = $(yearObj).val();
				var birthMonth = $(monthObj).val();
				var birthDay = $(dayObj).val();
				var birthdayObj = new Date();
				birthdayObj.setYear(birthYear);
				birthdayObj.setMonth(birthMonth-1);
				birthdayObj.setDate(birthDay);
				birthdayObj.setHours(0);
				birthdayObj.setMinutes(0);
				birthdayObj.setSeconds(0);

				var server18 = 912096000000;
				var user18 = birthdayObj.getTime();

				if (server18-user18<0) {
					$(errObj).attr("tooltip","Sorry, Members must be at least 18 years old to use the Service.");
					$(errObj).tipsy("show");
					setFocus(errObj);
					return false;
				}

				var dayobj = new Date(birthYear, birthMonth-1, birthDay)
				if ((dayobj.getMonth()+1!=birthMonth)||(dayobj.getDate()!=birthDay)||(dayobj.getFullYear()!=birthYear)) {
					$(errObj).attr("tooltip","Sorry, the date you entered is invalid. Please try again.");
					$(errObj).tipsy("show");
					setFocus(errObj);
					return false;
				}				
				
				return true;
			}
		}
	}
	
	return false;
}

function checkMaritalStatus(obj) {
	return validate(obj);
}

function checkEthnicity(obj) {
	return validate(obj);
}

function checkFirstName(obj) {
	var result = false;
	if (validate(obj)) {
                result = true;
                
                if ($(obj).val().length < 3||$(obj).val().length > 20) {
                
                
                
                  
                
                
                        $(obj).attr("tooltip","Your Firstname must be between 3-20 alphanumeric characters.");
                        $(obj).tipsy("show");
                        setFocus(obj);  
                        result = false;
                }
        }
        return result;

}


function checkMyCity(countryObj, regionObj, cityObj, errObj) {
	return validate(countryObj, errObj) && validate(regionObj, errObj) && validate(cityObj, errObj) 
}

function checkCountry(obj) {
	return validate(obj);
}

function checkRegion(obj) {
	return validate(obj);
}

function checkCity(obj) {
	return validate(obj);
}

function checkProfession(obj) {
	return validate(obj);
}

function checkEducation(obj) {
	return validate(obj);
}

function checkReligion(obj) {
	return validate(obj);
}

function checkThoughtsOnSmoking(obj) {
	return validate(obj);
}

function checkThoughtsOnAlcohol(obj) {
	return validate(obj);
}

function checkThoughtsOnKids(obj) {
	return validate(obj);
}

function checkTitle(obj) {
	var result = false;
	if (validate(obj)) {
		result = true;
		if ($(obj).val().length < 20) {
			$(obj).attr("tooltip","You should have at least 20 characters for Headline");
			$(obj).tipsy("show");
			setFocus(obj);	
			result = false;
		}
	}
	return result;
}

function checkIntroduction(obj) {
	var result = false;
	if (validate(obj)) {
		result = true;
		if ($(obj).val().length < 30) {
			$(obj).attr("tooltip","You should have at least 30 characters for Introducation");
			$(obj).tipsy("show");
			setFocus(obj);	
			result = false;
		}
	}
	return result;
}
//////////////////////////////////////////////////////////////////////////
function getDefaultMatchAge(birthYear) {
	var year = "2016";
	var matchAgeLower = year-birthYear - 5;
	if (matchAgeLower < 18) {
		matchAgeLower = 18;
	}
	var matchAgeUpper = year-birthYear + 5;
	if (matchAgeUpper > 80) {
		matchAgeUpper = 80;
	}
	
	var matchAge = new Object();
	matchAge.lower = matchAgeLower;
	matchAge.upper = matchAgeUpper;
	
	return matchAge;
}

function getDefaultMatchGender(gender) {
	var matchGender = gender==1 ? "2" : "1";
	return matchGender;
}


	var OptionDisabledSupport = new function() {
		this.previouslySelectedIndices = new Array();
	  	this.init = function() {
	    	selects = document.getElementsByTagName("select");
	    	for (var i=0;i<selects.length;i++) {
	      		var select = selects[i];
			    var oldOnClick = select.onclick;
			    var oldOnChange = select.onchange;
	      		if (oldOnClick)
//		      		select.attachEvent ('onclick',function(e) {oldOnClick.apply(e.srcElement, arguments)})
	      		if (oldOnChange)
//        			select.attachEvent ('onchange',function(e) {oldOnChange.apply(e.srcElement, arguments)})
		      	select.attachEvent ('onclick',function(event) {OptionDisabledSupport.previouslySelectedIndices[event.srcElement] = event.srcElement.selectedIndex;})
		      	select.attachEvent ('onchange',function(event) {OptionDisabledSupport.handleSelect(event.srcElement)})
	      		for (var z=0;z<select.options.length;z++) {
	        		option = select.options[z];
//        			option.style.color = option.disabled ? "graytext" : option.style.color;
	      		}
	      		OptionDisabledSupport.handleSelect(select);
	    	}
	  	}
	  	this.handleSelect = function(select) {
		    if (select.multiple) {
		      	for (var i=0;i<select.options.length;i++) {
		        	option = select.options[i];
		        	option.selected = option.disabled && option.selected ? false : option.selected;
		      	}
		    } else {
		      	if (select.selectedIndex > -1) {
		        	if (select.options[select.selectedIndex].disabled) {
		          		select.selectedIndex = OptionDisabledSupport.previouslySelectedIndices[select];
		          		if (select.options[select.selectedIndex].disabled) {
		           	 		select.selectedIndex = -1;
		          		}
		        	}
		      	}
		    }
		    checkSpokenLanguages('spokenLanguages','spokenLanguages1','spokenLanguages2','spokenLanguages3');
	  	}
	}
	if (window.attachEvent) window.onload = OptionDisabledSupport.init;