function numbersonly(e) {
	var unicode=e.charCode? e.charCode : e.keyCode;
	if (unicode!=8 && unicode!=9)
	{ 
		//if the key isn't the backspace key (which we should allow)	
		if (unicode<48||unicode>57) //if not a number return false //disable key press
			return false;
	}
} 

function validNumber(str){
   var ValidChars = "0123456789.";
   var IsNumber = true;
   var Char;

 
   for (i = 0; i < str.length && IsNumber == true; i++) 
      { 
      Char = str.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         // alert('Silahkan isi dengan angka saja.');
         return false;
         }
      }
   return IsNumber;

}

function echeck(str) {

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
		return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	    return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	    return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
	    return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	    return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
	    return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		// alert('Silahkan isi alamat email yang valid.')
	    return false
	 }

	 return true;				
}

function mplayer()
{
	window.open(urlSite+'index.php/pages/musicplayer',"mywindow","menubar=0,resizable=1,width=280,height=350");
	
}
//------------------------------------
// Function: add_bb_code()
// Desc: Adds BB code to comments
//------------------------------------

function add_bb_code(area_id, code)
{
	document.getElementById(area_id).value=document.getElementById(area_id).value+code;
	document.getElementById(area_id).focus();
	return;
}