function chLang(ln)
{
document.chgLngForm.lang.value=ln;
document.chgLngForm.submit();
}

function showStatus(sMsg)
 {
   window.status = sMsg ;
   return true ;
 }



function trim(inputString) {
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") {
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") {
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) {
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length);
   }
   return retValue;
}


function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }



function maskKeyPress(objEvent) 
	{
	  var iKeyCode;  	
	  iKeyCode = objEvent.keyCode;			
	  if(iKeyCode>=48 && iKeyCode<=57) return true;
	  return false;
	}
	
	
function checkemail(emailadd)
{
	var result = false;
  	var theStr = new String(emailadd);
  	var index = theStr.indexOf("@");
  	if (index > 0)
  	{
    	var pindex = theStr.indexOf(".",index);
    	if ((pindex > index+1) && (theStr.length > pindex+2))
		result = true;
		else
		alert("Please enter the valid email")
  	}
  	else {
  	      alert("Please enter the valid email")
  	      return false;
  	     }
  		
  	return result;
}


function numbersonly(e){
var unicode=e.charCode? e.charCode : e.keyCode
if (unicode!=8){ //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
}
}


// syntax : < return limitlength(this,20) > 

function limitlength(obj, length){
var maxlength=length
if (obj.value.length>maxlength)
obj.value=obj.value.substring(0, maxlength)
}


/* CV file filter by Shaik Amjad */

extArray = new Array(".doc",".ppt", ".xls", ".pdf",".jpg");
function LimitAttach(form, file) 
{
allowSubmit = false;
if (!file) return;
while (file.indexOf("\\") != -1)
file = file.slice(file.indexOf("\\") + 1);
ext = file.slice(file.indexOf(".")).toLowerCase();
for (var i = 0; i < extArray.length; i++) {
if (extArray[i] == ext) { allowSubmit = true; break; }
}
if (allowSubmit)
{
return true;
}
else
{
alert("Please only upload files that end in types:  " + (extArray.join("  ")) + "\nPlease select a new "+ "file to upload and submit again.");
return false;
}}