function trim(str, chars) {

            return ltrim(rtrim(str, chars), chars);

}
function ltrim(str, chars) {

            chars = chars || "\\s";

            return str.replace(new RegExp("^[" + chars + "]+", "g"), "");

}
function rtrim(str, chars) {

            chars = chars || "\\s";

            return str.replace(new RegExp("[" + chars + "]+$", "g"), "");

}

function CheckEmpty(formField){
	if(formField.value=="" || formField.value==null || formField.value==0){
		return true;
	}
	else{
		return false;
	}
}




function forgotpasswordcheck(){
  if(CheckEmpty(document.getElementById('email')))
	{
		alert("Please enter the email-id.");
		document.getElementById('email').focus(); 
		return false;
	}
  if (document.getElementById('email').value.length !=0) {
             i=document.getElementById('email').value.indexOf("@")
             j=document.getElementById('email').value.indexOf(".",i)
             k=document.getElementById('email').value.indexOf(",")
             kk=document.getElementById('email').value.indexOf(" ")
             jj=document.getElementById('email').value.lastIndexOf(".")+1
             len=document.getElementById('email').value.length
            if ((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=3)) {
                    }
            else { 
          alert("Please enter an exact email address.\n" +
               document.getElementById('email').value + " is invalid.");
		       document.getElementById('email').focus(); 
             return false;
          }  
       }

     if(trim(document.getElementById('email').value,'').length > 100) {
        alert("Email field is too long.");
		document.getElementById('email').focus(); 
		return false;
   }


}