function popWindow(course){
	window.open(course,'nw','width=700,height=550,left=40,top=40,scrollbars=1,resizable=yes');
}

function expand(row, anchor)
{
    var opener = document.getElementById(row);
//	var activearrow = document.getElementById(anchor);
	var closer = document.getElementById(row).className;
	
	if (closer == "hidden") {
	   opener.className = "shown";
//	   activearrow.className = "open";
	}
	
    else if (closer == "shown") {
	  opener.className = "hidden";
//	  activearrow.className = "closed";
	  }	
}


function expandplus(row, icon)
{
    var opener = document.getElementById(row);
	var closer = document.getElementById(row).className;
	

	
	if (closer == "hidden") {
	   opener.className = "shown";
       document.getElementById(icon).src="/images/expand.gif";
	}
	
    else if (closer == "shown") {
	  opener.className = "hidden";
      document.getElementById(icon).src="/images/plus.gif";
	  }	

}



function viewRefresh(t) {

	var sampledate;

	if (t == 'month') {
		sampledate = "1/"+document.form1.listmonth.value +"/" +document.form1.listyear.value;
		location.href = "coursecalendar.asp?pageno=1&show=<%= showwhat %>&by=month&key="+sampledate;
	} else {
		location.href = "coursecalendar.asp?pageno=1&show=&by=category&key="+document.form1.listcat.value;
	}

}


//trim string
function trim(str)
{
  return str.replace(/^\s+|\s+$/, '');
} 

function getfirstchar(){
	var s1 = charAt

}



//return true if the first char contains characters A-Z or a-z
function validatename(theform){

	var sname,fname
		
	sname = trim(theform.txtSurname.value);
	fname = trim(theform.txtFirstname.value);		
		
	if ((sname=="") && (fname=="")){
		alert("Error: Please enter Surname/Firstname to search! Please try again."); 
		theform.txtSurname.focus();
		return false;		
}
	
	re = /[a-zA-Z]/;
	if ((!re.test(sname))&&(sname!="")) { 
		alert("Error: Unknown character for searching! Please try again."); 
		theform.txtSurname.focus();
		return false;
	}
	
	if ((!re.test(fname))&&(fname!="")) { 
		alert("Error: Unknown character for searching! Please try again."); 
		theform.txtFirstname.focus();
		return false;
	}
}



function hkeng(div){
	url="http://www.hkengineer.org.hk/program/home/pink.php?dept=" + div;
	window.open(url,'windows2','top=100,left=50,width=795,height=450,scrollbars=1,resizable=1,menubar=1');
}


// *********** Please note the IP in the function "memlogin()", change it accordingly ***********


function memlogin(){

//For Web
window.open('https://mail1.hkie.org.hk/memberarea/index.asp','mempg','top=0,left=0,width=760,height=620,scrollbars=1,location=0,menubar=0,toolsbar=0,status=1,resizable=1');

//For iHKIE
//window.open('http://192.168.0.205/memberarea/index.asp','mempg','top=0,left=0,width=760,height=740,scrollbars=1,location=0,menubar=0,toolsbar=0,status=1,resizable=1');
}


function changelang(lang){
 if (lang == "eng"){  
  location.href = location.href.toString().replace('chi','eng') ;

 } else{
  location.href = location.href.toString().replace('eng','chi') ;
    
 }
}