function validate_contact ()
 {
 	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var ph	=/^[0-9 ]+$/;
	var nam =/^[a-zA-Z ]+$/;
		if( trim($('txtName').value) == "" ) 
		{   
			alert("Please Enter The Name");
			$('txtName').focus();
			return false;
		}
		else if( trim($('txtTel').value) == "" ) 
		{   
			alert("Please Enter The Phone Number");
			$('txtTel').focus();
			return false;
		}
		else if( ph.test($('txtTel').value) == false ) {   
			alert("Please Enter Your Phone Number Correctly");
			$('txtTel').focus();
			return false;
		}
		else if( trim($('txtEmail').value) == "" ) 
		{   
			alert("Please Enter The Email Address");
			$('txtEmail').focus();
			return false;
		}
		else if( reg.test($('txtEmail').value) == false ) {   
			alert("Invalid Email Address");
			$('txtEmail').focus();
			return false;
		}
		else if(trim($('txtArEnquiry').value) == "" ) {   
			alert("Please Enter The Enquiry");
			$('txtArEnquiry').focus();
			return false;
		}
		else if(!$('rdTel').checked && !$('rdEmail').checked && !$('rdEither').checked){
			
			alert("Please  Check Tel or Email or Either");
			$('rdTel').focus();
			return false;
		}
		return true;			
}

function __fncontentdiv(id){ 
	for(var i=1;i< 9;i++){ 
		if(i !=id){
			if($('mc'+i).style.display='block'){
				$('mc'+i).style.display='none';
			}
		}
	}
	if($('mc'+id).style.display='none'){
		$('mc'+id).style.display='block';
	}
        if(id==1){
             document.getElementById('mach').style.backgroundImage= "url('"+base_url+"Images/astro-banner.jpg')";
        }else if(id==2){
             document.getElementById('mach').style.backgroundImage= "url('"+base_url+"Images/machines-banner.jpg')";
        }else{
             document.getElementById('mach').style.backgroundImage= "url('"+base_url+"Images/machines_banner.jpg')";
        }
 

return false;
}