// change url location from eng to chi
//var console = window.open("", "console", "width=400,height=200,toolbar=no,statusbar=no,menubar=no,scrollbars=yes");

function lang_change(lang) {
	var flg = "chi_text";
	if (lang != "eng_text")  flg = "eng_text";
	var i = window.frames.length;
	var change_flag ='true' ;
	for (i=0;i<window.frames.length;i++) {
	    var temp_loc = top.frames[i].document.location.toString();
	    var temp_loc_len = temp_loc.length;
	    if (temp_loc.substring(temp_loc_len-3,temp_loc_len) =="htm")
	    {
	      change_flag = 'true';
	    } else {

	      alert("Not available!");
	      change_flag = 'false';
	      return;
	    }
	    
	}
	if (change_flag == 'true'){
	   for (i=0;i<window.frames.length;i++) {
	   	 var temp_loc = top.frames[i].document.location.toString();
	    	var temp_loc_len = temp_loc.length;
	    	var new_loc = temp_loc.replace(flg, lang);
	    	top.frames[i].document.location = new_loc;
	   }
	}
}