function trim(str) { 
	return str.replace(/^\s*|\s*$/g,""); 
}

function isNumber(str) { 
	var n=/^[0-9]+$/;
	if (n.test(str))
	{
		return true;
	} else {
		return false;
	}
}

function isAlphaNumeric(str) { 
	var n=/^[A-Za-z0-9]+$/;
	if (n.test(str))
	{
		return true;
	} else {
		return false;
	}
}

var remail=/^([_&a-zA-Z0-9-]+(\.[_&a-zA-Z0-9-]+)*@[&a-zA-Z0-9-]+\.+[&a-zA-Z0-9-]+)/;
var arr_ext = new Array(".php",".doc", ".txt", ".jpg", ".jpeg", ".gif", ".png", ".psd", ".xml", ".html", ".htm", ".xls");

function checkEmail(fieldvalue){
	if(remail.test(fieldvalue))
		return false;
	else
		return true;
}

function SubContactUs(formNm)	{
	if(formNm.cmbSalutation.selectedIndex == 0)	{
		alert("Please select salutation");
		formNm.cmbSalutation.focus();
	}else if(trim(formNm.txtName.value) == "")	{
		alert("Please enter name");
		formNm.txtName.focus();
	}else if(trim(formNm.txtLastName.value) == "")	{
		alert("Please enter last name");
		formNm.txtLastName.focus();
	}else if(trim(formNm.txtEmail.value) == "")	{
		alert("Please enter email");
		formNm.txtEmail.focus();
	}else if(checkEmail(formNm.txtEmail.value))	{
		alert("Please enter valid email");
		formNm.txtEmail.focus();		
	}else if(trim(formNm.txtarMessage.value) == "")	{
		alert("Please enter subject message");
		formNm.txtarMessage.focus();
	}else	{
		formNm.submit();
	}
}

function SubmitLoginFrm(formNm)	{
	if(formNm.username.value == "" || formNm.username.value == 'Username')	{
		alert("Please enter valid username");
		formNm.username.focus();
	}else if(formNm.password.value == "" || formNm.username.value == 'Password')	{
		alert("Please enter valid password");
		formNm.password.focus();
	}else	{
		formNm.submit();
	}
}