function CheckEmail(email) {
	
	var AtPos = email.indexOf("@");
	var StopPos = email.lastIndexOf(".");
	var Message = "";

	if (email == "") {
	Message = "Please enter email!" + "\n";
	}

	if (AtPos == -1 || StopPos == -1) {
	Message = "Not a valid email address";
	}

	if (StopPos < AtPos) {
	Message = "Not a valid email address";
	}

	if (StopPos - AtPos == 1) {
	Message = "Not a valid email address";
	}

	return Message;
}

function trim(s) 
 {
 

   	// Remove leading spaces and carriage returns
 	while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
 	{ 
 		s = s.substring(1,s.length); 
	}
     
   	// Remove trailing spaces and carriage returns
 	while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
 	{ 
		s = s.substring(0,s.length-1); 
	}
     
  return s;
 }

function frmCheck()
{
	var first_name = document.getElementById('first_name');
	var email = document.getElementById('email');
	var phoneNumber = document.getElementById('phoneNumber');
	var patchSize = document.getElementById('patchSize');
	var quantity = document.getElementById('quantity');
	var specialOptions = document.getElementById('specialOptions');
	var deadline = document.getElementById('deadline');
	var file1 = document.getElementById('file1');
	var file2 = document.getElementById('file2');

	if(trim(first_name.value)=='')
	{
		alert('Please enter your name!');
		first_name.focus();
		return false;
	}
	/*if(trim(email.value)=='')
	{
		alert('Please enter your email!');
		email.focus();
		return false;
	}*/
	var alertMessage = CheckEmail(email.value);
	if(alertMessage != '')
	{
		alert(alertMessage);
		email.focus();
		return false;
	}
	if(trim(phoneNumber.value)=='')
	{
		//alert('Please enter your phone number!');
		//phoneNumber.focus();
		//return false;
	}
	if(trim(patchSize.value)=='')
	{
		alert('Please enter the patch size!');
		patchSize.focus();
		return false;
	}
	if(trim(quantity.value)=='')
	{
		alert('Please enter the quantity!');
		quantity.focus();
		return false;
	}
	if(trim(specialOptions.value)=='')
	{
		//alert('Please enter any special options needed!');
		//specialOptions.focus();
		//return false;
	}
	if(trim(deadline.value)=='')
	{
		//alert('Please enter a deadline!');
		//deadline.focus();
		//return false;
	}
	if(trim(file1.value)=='')
	{
		//alert('Please enter filename!');
		//file1.focus();
		//return false;
	}
	if(trim(file2.value)=='')
	{
		//alert('Please enter filename!');
		//file2.focus();
		//return false;
	}

}