function resetVal(val)
{      frm = document.Lenovoy5100208;
	//frm = document.forms["Lenovoy5100208"];
		if((frm.uname.value=="Enter Name") && val=="uname"){frm.uname.value="";}
		if((frm.email.value=="Email") && val=="email"){frm.email.value="";}
		if((frm.phone.value=="Phone") && val=="phone"){frm.phone.value="";}
		if((frm.city.value=="City") && val=="city"){frm.city.value="";}				
		
}
function setVal(val)
{//frm = document.forms["Lenovoy5100208"];
frm = document.Lenovoy5100208;
	if((frm.uname.value=="") && val=="uname"){frm.uname.value="Enter Name";}
		if((frm.email.value=="") && val=="email"){frm.email.value="Email";}
		if((frm.phone.value=="") && val=="phone"){frm.phone.value="Phone";}
		if((frm.city.value=="") && val=="city"){frm.city.value="City";}	  		
	
}
function check_Lenovoy5100208()
{
	frm = document.Lenovoy5100208;
  //frm = document.forms["Lenovoy5100208"];  
  if ((leftTrim(frm.uname.value) == 'Enter Name') || (leftTrim(frm.uname.value) == ''))
	{
		alert("Please enter your Name!")
		frm.uname.focus();
		return false;		
	}	   
	invalid = "~/:<>`|^!';$%^&*()+|=1234567890";
	charvalue = frm.uname.value ;
	for(i=0;i<invalid.length;i++)
	{
		for(j=0;j<invalid.length;j++)
		{
			if(charvalue.charAt(j) ==  invalid.charAt(i))
			{
				alert("Only valid characters are allowed in Name") ;
				frm.uname.select();  
				return false;
			}
		}
	}
   if ((leftTrim(frm.city.value) == 'City') || (leftTrim(frm.city.value) == ''))
	{
		alert("Please enter your city")
		frm.city.focus();
		return false;		
	}


   if ((leftTrim(frm.phone.value) == 'Phone') || (leftTrim(frm.phone.value) == ''))
	{
		alert("Please enter Phone number!")
		frm.phone.focus();
		return false;		
	}

if (isNaN(frm.phone.value))
	{
		alert("Please enter only numbers in your Phone number!")
	   frm.phone.select();
	   return false;
	}
if (!isNaN(frm.phone.value) && (frm.phone.value.length < 8))
	{
	   alert("Phone number should be minimum 8 digits!")
	   frm.phone.select();
	   return false;
	}
	if ((leftTrim(frm.email.value)=='Email') || (leftTrim(frm.email.value)==''))
	{
		alert("Please enter Email");
		frm.email.focus();
		return false;
	}
	 
   if (!(isEmailAddr(frm.email.value)))
	{
		alert("Enter a correct email address");
		frm.email.select();
		return false;
	}
	if ((!frm.pcplan[0].checked) && (!frm.pcplan[1].checked))
	{
		alert("Please tell us whether you plan to buy a Notebook?");
		return false;
	}
}	
 function isEmailAddr(email)
{
  if(email.match(" ") == " ")
	{
		return false;
	}
	if(email.indexOf(".") == -1 || email.indexOf("@") == -1)
	{
		return false;
	}
	if(email.indexOf(".") == 0 || email.lastIndexOf("@") == email.length-1 || email.lastIndexOf(".") == email.length-1 || email.indexOf("@") == 0)
	{
		return false;
	}
	if(email.match(".@")==".@" || email.match("@.")=="@.")
	{
		return false;
	}
  return true;
}		
function leftTrim(ltrimvalue)
{
	while(ltrimvalue.charAt(0)==' ')
		ltrimvalue = ltrimvalue.substr(1,ltrimvalue.length-1);		
	return(ltrimvalue) ;
}