function checkEmailAddr(emailAddr){

	var idx, len;
	var count_AT=0;
	var temp_str;
	var isValid = false;
	var domain;
	var charCode;

	temp_str = emailAddr;

	// English Character set Only.
	for(i=0;i<temp_str.length;i++){
		charCode = temp_str.charCodeAt(i);
		if(charCode < 32 || charCode > 127){
			isValid=false;
			return isValid;
		}
	}	

	var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
    	return re.test(emailAddr);
    		
}