// JavaScript Document
function collapseExpand(element,jmlhElement){
	for(i=1;i<=jmlhElement;i++){	
		document.getElementById(element + i).style.display =(document.getElementById(element+i).style.display=="none")?"":"none";
	}	
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function trim(item){
  var tmp = "";
  var item_length = item.value.length;
  var item_length_minus_1 = item.value.length - 1;
  for (index = 0; index < item_length; index++)
  {
    if (item.value.charAt(index) != ' ')
    {
      tmp += item.value.charAt(index);
    }
    else
    {
      if (tmp.length > 0)
      {
        if ((item.value.charAt(index+1) != ' ') && (index != item_length_minus_1))
        {
          tmp += item.value.charAt(index);
        }
      }
    }
  }
  return (tmp) ;
}

function trim_image(item){
  var tmp = "";
  var item_length = item.length;
  var item_length_minus_1 = item.length - 1;
  for (index = 0; index < item_length; index++)
  {
    if (item.charAt(index) != ' ')
    {
      tmp += item.charAt(index);
    }
    else
    {
      if (tmp.length > 0)
      {
        if ((item.charAt(index+1) != ' ') && (index != item_length_minus_1))
        {
          tmp += item.charAt(index);
        }
      }
    }
  }
  return (tmp) ;
}

function getExtension(obj){
	var panjangString = obj.length;
	obj = trim_image(obj);
	for(i = 0 ; i < panjangString ; i++){
		if(obj.charAt(i) == "."){
			break;
		}
	}
	
	extensi = obj.substring(i,panjangString).toLowerCase();
	return extensi;
}

function toggle_display(o){
	o.style.display=(o.style.display=='none')?'':'none';
}

function check_email(str){
	var filter=/^.+@.+\..{2,3}$/;
	if(filter.test(str)) return true;
	else return false;
}
function cek_int(e){
	var key=(document.all)?event.keyCode:e.which;
	if(key==8 || key==9 || key==13 || key==37 || key==38 || key==39 || key==40) return true;
	if((key<48 || key>57) && (key<96 || key>105)) return false;
}