function validate(){
	var objname = document.frm.name;
	var objaddress = document.frm.address;
	var objtelephone = document.frm.telephone;
	var objdetails = document.frm.details;
	
	if(objname.value == "" || isNull(objname.value)){
		alert("Please Enter Your Name.");
		objname.focus();
		return false;
	}
	if(objaddress.value == "" || isNull(objaddress.value)){
		alert("Please Enter Your Address.");
		objaddress.focus();
		return false;
	}
	if(objtelephone.value == "" || isNull(objtelephone.value)){
		alert("Please Enter Your Telephone No.");
		objtelephone.focus();
		return false;
	}
	if(objdetails.value == "" || isNull(objdetails.value)){
		alert("Please Enter Details.");
		objdetails.focus();
		return false;
	}
	document.frm.submit();
	return true;	
	
}

	function isNull(aStr)
	{
		var index;
		for (index=0; index < aStr.length; index++)
			if (aStr.charAt(index) != ' ')
				return false;
		return false;
	}	

	//For checking invalid E-Mail address
	function isEmail(aStr)
	{
		var reEmail=/^[0-9a-zA-Z_\.-]+\@[0-9a-zA-Z_\.-]+\.[0-9a-zA-Z_\.-]+$/;
		if(!reEmail.test(aStr)) {
			return false;
		}
		return true;
	}