function login_validation() {
	var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
	var email = document.frm_login.email.value;
	if(document.frm_login.fname.value == '') {
		alert('First Name : This field is required');
		document.frm_login.fname.focus();
		return false;
	} else if(document.frm_login.lname.value == '') {
		alert('Last Name : This field is required.');
		document.frm_login.lname.focus();
		return false;
	} else if(document.frm_login.company.value == '') {
		alert('Company : This field is required.');
		document.frm_login.company.focus();
		return false;
	} else if(document.frm_login.title.value == '') {
		alert('Title : This field is required.');
		document.frm_login.title.focus();
		return false;
	} else if(document.frm_login.email.value == '') {
		alert('Email : This field is required');
		document.frm_login.email.focus();
		return false;
	} else if(!email.match(emailRegex)) {
		alert('Email : Enter valid Email');
		document.frm_login.email.focus();
		return false;
	} else if(document.frm_login.phone.value == '') {
		alert('Phone : This field is required.');
		document.frm_login.phone.focus();
		return false;
	} else if(document.frm_login.phone.value.length < 10 || isNaN(document.frm_login.phone.value) == true) {
		alert('Phone : Enter Valid Phone.');
		document.frm_login.phone.focus();
		return false;
	} else if(document.frm_login.country.value == '') {
		alert('Country : This field is required.');
		document.frm_login.country.focus();
		return false;
	} else if(document.frm_login.about.value == '') {
		alert('How did you hear about us? : This field is required.');
		document.frm_login.about.focus();
		return false;
	}  else if(document.frm_login.about.value == 'others' && document.frm_login.other.value == "") {
		alert('Please enter others if you have');
		document.frm_login.other.focus();
		return false;
	}  return true;
}
function restrict1(tbox,chr) {
	var val = tbox.value ;
	if(val.charAt(0) == ' ') {
		tbox.value=tbox.value.replace(chr,''); //replaces specified character with nothing
	}
}

// Function for to check numeric values ////
function validate_for_integers(inputfield, inputevent) {
	var key;
	var keychar;
	if (window.event) {
		key = window.event.keyCode;
	} else if (inputevent) {
		key = inputevent.which;
	} else {
		return true;
	}
	
	keychar = String.fromCharCode(key);
	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) || (key==45)) {
		return true;

	// numbers
	} else if (("0123456789").indexOf(keychar) > -1) {
		return true;
		
	} else {
	    alert('Please enter only numbers');
		return false;
	}
} // end of validate_for_integers()

function enable(a) { 
	if(a == 'others') {
		document.getElementById('other').disabled=false;
	} else {
		document.getElementById('other').disabled=true;
	}
}