function formvalidation()
{
 var valid=true;
	 if(document.getElementById("message").value=="" || document.getElementById("message").value==chk['message'])
	  {
			showError('message');
			valid=false;
      }
	if(document.getElementById("phone").value=="" || document.getElementById("phone").value==chk['phone'])
	  {
			showError('phone');
			valid=false;
    	}

   
var mail = document.formvalid.email.value;

	if(mail=="" ||  mail.value==chk['name'])
	{
	 	showError('email');
        valid=false;
	}
   if(mail !="")
	{
		 if ((mail.indexOf('@') == -1) || (mail.indexOf('.') == -1))   
		 {
		   showError('email');
		   valid=false;
		 }
	}
	else
	{

      showError('email');
      valid = false;
    }
	if(document.getElementById("name").value=="" ||  document.getElementById("name").value==chk['name'])
	{
     showError('name');
      valid=false;
	}
return valid;

}

function showError(id){

document.getElementById(id).focus();

document.getElementById(id).style.color = '#FF0000'

 if(document.getElementById(id).value=='')

  document.getElementById(id).value=chk[id];

		

}

var chk = Array();

chk['name']='Name (Required)';

chk['email']='Email (Required)';

chk['phone']='Phone (Required)';

chk['message']='Comments (Required)';

function chkFocus(id){

document.getElementById(id).style.color = '#807F7F';

if(document.getElementById(id).value ==chk[id])

document.getElementById(id).value ='';

}

function chkBlur(id){

if(document.getElementById(id).value =='')

document.getElementById(id).value =chk[id];

}