// JavaScript Document
function checkinput(formAddress)
{
	//alert("jshgsh");
	fname=formAddress.fname.value;
	lname=formAddress.lname.value;
	phno1=formAddress.phno1.value;
   
	message=formAddress.message.value;
	email1=formAddress.email1.value;
		
	if(fname.length==0)
	{
		alert("First Name Required");
		formAddress.fname.focus();
		return false;
	}
	if(lname.length==0)
	{
		alert("Last Name Required");
		formAddress.lname.focus();
		return false;
	}
	if(email1.length==0)
	{
		alert("Email id Required");
		formAddress.email1.focus();
		return false;
	}
	
	if(phno1.length==0)
	{
	  alert("Phone Number Required ");
		formAddress.phno1.focus();
		return false;
	}
		
	if(phno1.length>0 && phno1.length<10)
	{
		alert(" Phone Number Required or Enter Maximum 10 digits ");
		formAddress.phno1.focus();
		return false;
	}

	if(message.length==0)
	{
		alert("Message Required");
		formAddress.message.focus();
		return false;
	}
	
	   
		if(lname==fname)
	    {
		  
		   alert("Last Name  should be diffrent from First Name .");
		    formAddress.lname.value="";
			formAddress.lname.focus();
			return false;
		}
	
	
	v="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
	for(e=0;e<fname.length;e++)
	{
		if(v.indexOf(fname.charAt(e))==-1)
		{
			alert("Incorrect Data In First Name");
			formAddress.fname.value="";
			formAddress.fname.focus();
			return false;
		}
	}
	
	for(e=0;e<lname.length;e++)
	{
		if(v.indexOf(lname.charAt(e))==-1)
		{
			alert("Incorrect Data In Last Name");
			formAddress.lname.value="";
			formAddress.lname.focus();
			return false;
		}
	}	

//      var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/; 

 var re= /^[^@  ]+@([a-zA-Z0-9\-]+\.)+([a-zA-Z0-9\-]{2}|net|com|gov|mil|org|edu|int)$/; 

		if (!email1.match(re)) {
			alert(" Verify the E-mail address format.");
			formAddress.email1.value="";
			formAddress.email1.focus();
			return false;
		}
	
	w="1234567890";		
	
	
	for(e=0;e<phno1.length;e++)
	 {
		if(w.indexOf(phno1.charAt(e))==-1)
		{
			alert("Incorrect data in Phone Number");
			formAddress.phno1.value="";
			formAddress.phno1.focus();
			return false;
		}
	}

		/*var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/; 
		if (!email1.match(re)) {
			alert(" Verify the E-mail address format.");
			formAddress.email1.value="";
			formAddress.email1.focus();
			return false;
		}*/
		
	return true;
}