function openPictureWindow(imageName,imageWidth,imageHeight,alt,posLeft,posTop) {
newWindow = window.open("","newWindow","width="+imageWidth+",height="+imageHeight+",left="+posLeft+",top="+posTop);
newWindow.document.open();
newWindow.document.write(''+alt+'');
newWindow.document.write('
');
newWindow.document.write('');
newWindow.document.close();
newWindow.focus();
}
function invalidecard(){
var sender_name = document.getElementById("sender_name").value;
var sender_email = document.getElementById("sender_email").value;
var receive_name = document.getElementById("receive_name").value;
var receive_email = document.getElementById("receive_email").value;
var heading = document.getElementById("heading").value;
var error = "";
var i = 1;
var check = true;
var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
if(sender_name == ""){error += i + ". Sender Name is required. \n"; check = false; i++}
if(sender_email == ""){
error += i + ". Sender Email Address is required. \n"; check = false; i++
}else{
if(!filter.test(sender_email)){
error += i + ". Invalid Sender Email Address is required. \n"; check = false; i++
}
}
if(receive_name == ""){error += i + ". Receive Name is required. \n"; check = false; i++}
if(receive_email == ""){
error += i + ". Receive Email Address is required. \n"; check = false; i++
}else{
if(!filter.test(receive_email)){
error += i + ". Invalid Receive Email Address is required. \n"; check = false; i++
}
}
if(heading == ""){error += i + ". Heading is required. \n"; check = false; i++}
if(check == false) {
alert( error );
return false;
} else {
return true;
}
}