function checkme(frm,valid)
{
		
	if( frm.txtName.value == "" )
	{
		alert( "Please Enter Name!" );
		frm.txtName.focus();
		return false;
	}
	
	
	if( frm.txtEmail.value == "" )
	{
		alert( "Please Enter Email Id!" );
		frm.txtEmail.focus();
		return false;
	}

	if(!checkMail(frm.txtEmail.value)){
		alert("Please Enter Valid Email Address !");
		frm.txtEmail.focus();
		return false;
	}
	

	if(!checkSpecialChar(frm.txtName.value)){
		alert("Please Enter Valid Character!");
		frm.txtName.focus();
		return false;
	}
	
}

function enable() 
{
	document.form1.txtboat.disabled=true;
	document.form1.txtEngine.disabled = true;
	document.form1.txtSNo.disabled = true;
    document.form1.txtDesc.disabled = true;
}

function disable() 
{
	document.form1.txtPartNumber.disabled = true;
	document.form1.txtManufacture.disabled = true;
	document.form1.txtboat.disabled = false;
	document.form1.txtEngine.disabled = false;
	document.form1.txtSNo.disabled = false;
	document.form1.txtDesc.disabled = false;
}


//This function is used for email validation
function checkMail(str) {
 var emailFilter=/^.+@.+\..{2,3}$/;
 if (!(str.match(emailFilter))) { 
    return false;
 }else {
	return true;
 }
 
}


function checkSpecialChar(str) {
 var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";
  for (var i = 0; i < str.length; i++) {
  	if (iChars.indexOf(str.charAt(i)) != -1) {
  	return false;
  	}
  }
  return true;
}