function tellfriend()
{
Window=open("","","width=400,height=400,top=100,left=200");
Window.document.open();
Window.document.write("Tell a Friend");
Window.document.write("
TELL A FRIEND
");
Window.document.write("");
Window.focus();
}
function check1()
{
var formcheck1=Window.document.myform.name.value;
var formcheck2=Window.document.myform.email.value;
var formcheck3=Window.document.myform.fname.value;
var formcheck4=Window.document.myform.femail.value;
if (formcheck1=="" || formcheck2=="" || formcheck3=="" || formcheck4=="")
Window.alert('Please fill up the fields marked *');
else
Window.document.myform.submit();
}