function contact_form(){
	//alert('hi');
	var Name = document.getElementsByName('name')[0].value;
	//alert(Name);
	if(Name == "")
	{
		alert("Please enter your Name.");
		//document.getElementById('message').innerHTML = "<font color='red' size=3>Please enter user name.!</font>";
		document.getElementsByName('name')[0].focus();
		return false;
	}
	
	 if (Name.length < 4)
	 {
		alert("Please enter full Name.");
		//document.getElementById('message').innerHTML = "<font color='red' size=3>Please enter full Name.!</font>";
		document.getElementsByName('name')[0].select();
		document.getElementsByName('name')[0].focus();
		return false;
	 }
	 var illegalChars = /^[a-zA-Z ]+$/;
 
  // allow only letters, numbers, and underscores
    if (!illegalChars.test(Name))
	{
       alert("The Name contains illegal characters.");
	   //document.getElementById('message').innerHTML = "<font color='red' size=3>The Name contains illegal characters.!</font>";
	   document.getElementsByName('name')[0].select();
	   document.getElementsByName('name')[0].focus();
		return false;
    }
	//alert(categoryName);
	
	var email = document.getElementsByName('email')[0].value;
	if(email=="")
	{
		alert("Please enter e-mail address!");
		//document.getElementById('message').innerHTML = "<font color='red' size=3>Please enter e-mail address!</font>";
		document.getElementsByName('email')[0].select();
		document.getElementsByName('email')[0].focus();
		return false;
	}
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email))
	{
		//document.sendurlform.action="sendToFriend.html.php";
		//document.sendurlform.submit();
		//return (true);
	}
	else
	{
		alert("Invalid e-mail address! Please re-enter.");
		//document.getElementById('message').innerHTML = "<font color='red' size=3>Invalid e-mail address! Please re-enter.!</font>";
		document.getElementsByName('email')[0].select();
		document.getElementsByName('email')[0].focus();
		return false;
	}

	
	var phoneNumber = document.getElementsByName('phone')[0];
	var maintainplus = '';
 	var numval = phoneNumber.value
 	if ( numval.charAt(0)=='+' )
	{
		var maintainplus = '+';
	}
	if(numval == "")
	{
		alert("Please enter your phone number.");
		//document.getElementById('message').innerHTML = "<font color='red' size=3>Please enter your phone number.!</font>";
		document.getElementsByName('phone')[0].value=''
		document.getElementsByName('phone')[0].focus();
		return false;
	}
 	var curphonevar = numval.replace(/[\\A-Za-z!"£$%^&*_={};:'@#~,.¦\/<>?|`¬\]\[]/g,'');
	//alert(curphonevar);
	if(curphonevar!=numval)
	{
		alert("Digits (plus the following characters allowed '+', '-', ' ')");
		//document.getElementById('message').innerHTML = "<font color='red' size=3>Digits (plus the following characters allowed '+', '-', ' ')!</font>";
		document.getElementsByName('phone')[0].value='';
		document.getElementsByName('phone')[0].focus();
		return false;
	}
	else if(numval.length<6)
	{
		alert("Number of characters equal to or greater than 6");
 		//document.getElementById('message').innerHTML = "<font color='red' size=3>Number of characters equal to or greater than 6.!</font>";
		document.getElementsByName('phone')[0].focus();
		return false;
	}
	
		
	
	
	var message = document.getElementsByName('comment')[0].value;
	if(message=="")
	{
		alert("Please fill 'comment' field.");
		document.getElementById('message').innerHTML = "<font color='red' size=3>Please fill 'comment' field.!</font>";
		document.getElementsByName('comment')[0].focus();
		return false;
	}
	document.contact_form1.submit();
	/*else
	{
	
	var obj=new Ajax.Request('email.php', {
		parameters:{Name : Name, Phone Number : numval, email : email, message : message},
			onComplete: showResponse
				});
	}*/
				 
}
	/*function showResponse(originalRequest)
	{ 
		//alert(originalRequest.responseText);
		if(originalRequest.responseText==1)
		{
		   window.location = "confirmation.html";
		}
		else
		{
			document.getElementById('1').innerHTML = originalRequest.responseText;
		}
	}*/