// JavaScript Document
 
// Declaring required variables
var digits = "0123456789";
 

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}
 
 
//form
 

  	function validatecontact() 
		{ 
		
		
		    if(document.contact_us.name.value=="")
			{
				window.alert('Enter Name');
				document.contact_us.name.focus();
				return false;
			}
			 if(document.contact_us.surname.value=="")
			{
				window.alert('Enter Surame');
				document.contact_us.surname.focus();
				return false;
			}
			  if(document.contact_us.email.value=="")
			{
				window.alert('Enter Email');
				document.contact_us.email.focus();
				return false;
			}
			else
			
			 if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.contact_us.email.value ))
			{
		    
			if(document.contact_us.phone.value=="")
			{
				window.alert('Enter Phone Number !');
				document.contact_us.phone.focus();
				return false;
			}
				 
            	
			return true;
			}
            
			else
			{
 			window.alert("Invalid E-mail Address! Please re-enter.");
			document.contact_us.email.focus();
			return false;
			}
		
		}
		
	 function validatemail()
		{
			if(document.contact.user.value=="enter email address" && document.contact.user.value==" ")
			{
				window.alert('Enter Email');
				document.contact.user.focus();
				return false;
			}
			else
			
			 if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.contact.user.value ))
			{
		    
			 
            	
			return true;
			}
            
			else
			{
 			window.alert("Invalid E-mail Address! Please re-enter.");
			document.contact.user.focus();
			return false;
			}
		
		}