function hscshareFilter(){
	f = document.form1;
	var query = location.href.substring((location.href.indexOf('?')+1),location.href.length);
	if(location.href.indexOf('?') < 0) query = '';
	querysplit = query.split('&');
	query = new Array();
	for(var i = 0; i < querysplit.length; i++){
		if( querysplit[i].substring(0, 4) == "t_id" ){
			querysplit[i] = "";
		} else if ( querysplit[i].substring(0, 4) == "l_id" ){
			querysplit[i] = "";
		} 
	}
	query_str = "t_id="+f.select_theme.value+"&l_id="+f.select_level.value;
	for(var i = 0; i < querysplit.length; i++){
		if(querysplit[i]!=""){
			query_str = query_str + "&" + querysplit[i];
		}
	}
	//location.href.substring(0, (location.href.indexOf('?'))
	if(location.href.indexOf('?')>-1){
		url = location.href.substring(0, location.href.indexOf('?'));
	} else {
		url = location.href;
	}
	location.href = (url +"?"+query_str);
}

function FinishUpload(){
	f = document.form1;
	flag = true;
	
	if(flag==true){
		//f.enctype="multipart/form-data"; put in <form>
		//f.a.value = "submit";
		f.action = "share_submit3.php";
		f.submit();
		
	}
}
function UploadPictures(){
	f = document.form1;
	flag = true;
	
	if(validInputBox(f.userfile, Msge_030, "")==false){
	flag = false;
	return false;}
	
	if(flag==true){
		//f.enctype="multipart/form-data"; put in <form>
		//f.a.value = "submit";
		f.action = "share_submit2.php";
		f.submit();
		
	}
	
}
function ProceedToUploadPictures(){
	f = document.form1;
	flag = true;
	
	if(flag==true){
		//f.enctype="multipart/form-data"; put in <form>
		f.a.value = "submit";
		f.action = "share_submit1.php";
		f.submit();
	}
	
}
function SubmitSharing(){
	f = document.form1;
	flag = true;
	
	// compile multiple choice value
	for(i=0; i<f.hscshare_sch_level_choice.length; i++){
		if(f.hscshare_sch_level_choice[i].checked){
			f.hscshare_sch_level.value = f.hscshare_sch_level_choice[i].value;
			i=f.hscshare_sch_level_choice.length+1;
		}
	}
	
	// compile multiple choice value
	choice_value = "";
	for(i=0; i<f.hscshare_theme_choice.length; i++){
		if(f.hscshare_theme_choice[i].checked){
			choice_value += "|=|" + f.hscshare_theme_choice[i].value;
		}
	}
	f.hscshare_theme.value = choice_value;
	
	if(validInputBox(f.hscshare_sch_name, Msge_020, "")==false){
	flag = false;
	return false;}
	
	if(f.hscshare_sch_level.value==""){
		alert(Msge_021)
		flag = false;
		return false;}
	
	if(validInputBox(f.hscshare_pic, Msge_022, "")==false){
	flag = false;
	return false;}

	if(validInputBox(f.hscshare_contact, Msge_023, "")==false){
	flag = false;
	return false;}
	
	if(f.hscshare_email.value!=""){
		if(!validEmail(f.hscshare_email)){
			flag = false;
			return false;
		}
	} else {
		alert(Msge_024);
		flag = false;
		return false;
	}
	
	if(validInputBox(f.hscshare_title, Msge_025, "")==false){
	flag = false;
	return false;}
	
	if(validInputBox(f.hscshare_aim, Msge_026, "")==false){
	flag = false;
	return false;}
	
	if(validInputBox(f.hscshare_format_property, Msge_027, "")==false){
	flag = false;
	return false;}
	
	if(validInputBox(f.hscshare_run_down, Msge_028, "")==false){
	flag = false;
	return false;}
	
	if(f.hscshare_theme.value==""){
		alert(Msge_029)
		flag = false;
		return false;}

	if(flag==true){
		f.a.value = "submit";
		f.action = "share_step1.php";
		f.submit();
	}
}

function EditSharing(){
	f = document.form1;
	f.a.value = "edit";
	f.action = "share_apply.php";
	f.submit();
}

function SubmitSearch(){
	f = document.form1;
	flag = true;

	if(validInputBox(f.search_txt, Msge_012, "")==false){
	flag = false;}

	if(flag==true){
		f.action = "getSearch.php";
		f.submit();
	}
}
function SubmitOpinion(){
	f = document.form1;
	flag = true;

	if(!validInputBox(f.username, Msge_008, "")){
		flag = false;
		return false;
		}

	if(f.opinion_email.value!=""){
		if(!validEmail(f.opinion_email)){
			flag = false;
			return false;
		}
	}
	
	if(f.phone.value!=""){
		if(!validNumberInputBox(f.phone, Msge_018)){
			flag = false;
			return false;
		}
		if(f.phone.value.length < 8){
			alert(Msge_019);
			flag = false;
			return false;
		}
	}

	if(!validInputBox(f.occupation, Msge_009, "")){
		flag = false;
		return false;
	}

	if(!validInputBox(f.subject, Msge_010, "")){
		flag = false;
		return false;
	}

	if(!validInputBox(f.details, Msge_011, "")){
		flag = false;
		return false;
	}

	if(flag==true){
		f.action = "chsc_opinion_submit.php";
		f.submit();
	}
}

function SubscribeMail(){
	f = document.form1;
	flag = true;

	if(!validEmail(f.email)){flag = false;}

	if(flag==true){
		//f.action = "emailservice_msge.php?id=3";
		f.action = "http://www.hkedcity.net/project/ptamail/subscription.phtml";
		f.submit();
	}
}

function SubscribeMail2(){ //emailservice_msge.php?id=2
	f = document.form1;
	flag = true;

	if(!validEmail(f.email2)){flag = false;}
	if(flag==true){
		f.email.value = f.email2.value;
		f.action = "http://www.hkedcity.net/project/ptamail/subscription.phtml";
		f.submit();
	}
}

function SubscribeMail3(){ //emailservice_msge.php?id=2
	f = document.form1;
	flag = true;

	if(!validEmail(f.email3)){flag = false;}
	if(flag==true){
		f.email.value = f.email3.value;
		f.ACTION_ID.value = "UNSUBSCRIBE";
		f.action = "http://www.hkedcity.net/project/ptamail/subscription.phtml";
		f.submit();
	}
}