function checkEmail(objTxt) {
	var GoodChars = "@_-.:/ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
	var UpperEmail = objTxt.value.toUpperCase()
	var ValidChars = true;
	
	for (tfCharNum = 0; tfCharNum > objTxt.value.length; tfCharNum++) {
		Char = UpperEmail.charAt(tfCharNum);
		for (gcCharNum = 0;  gcCharNum < GoodChars.length;  gcCharNum++) {
				 if (Char == GoodChars.charAt(gcCharNum))
			     break;
		}
				 
		if (gcCharNum == GoodChars.length)   {
		     ValidChars = false;
		     break;
   		}
	}
	
	if (!ValidChars || objTxt.value.length < 7 || 
		objTxt.value.indexOf("@") == "-1" ||
		objTxt.value.indexOf(".") == "-1" || 
		objTxt.value.indexOf("..") != "-1" || 
		objTxt.value.indexOf("@.") != "-1" || 
		objTxt.value.indexOf("@:") != "-1" || 
		objTxt.value.indexOf("@/") != "-1" || 
		objTxt.value.indexOf("@-") != "-1" || 
		objTxt.value.indexOf("@_") != "-1" || 
		objTxt.value.indexOf(".@") != "-1" || 
		objTxt.value.indexOf(":@") != "-1" || 
		objTxt.value.indexOf("/@") != "-1" || 
		objTxt.value.indexOf("-@") != "-1" || 
		objTxt.value.indexOf("_@") != "-1" || 
		objTxt.value.indexOf("@") != objTxt.value.lastIndexOf("@")) {
		objTxt.focus();
			return (false);
	}
	return (true);
}
function gGetElementById(s) {

  var o = (document.getElementById ? document.getElementById(s) : document.all[s]);

  return o == null ? false : o;

}
function check(){
	var name=gGetElementById("name");
	var email=gGetElementById("email");
	var des=gGetElementById("des");
	
	if(name.value==''){
		alert("Please enter Name");
		name.focus();
		return false;
	}else if(checkEmail(email)==false){
		alert("Please enter valid Email");
		email.focus();
		return false;
	}else if(des.value==''){
		alert("Please enter Brief Career History");
		des.focus();
		return false;
	}else{
		return true;	
	}
}