function strpos(haystack, needle, offset) 
{
    var i = haystack.indexOf(needle, offset);
    return i >= 0 ? i : false;
}


function pdf_validate(email, telephone, name, url) {

	// check email validity
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   if(reg.test(email) == false) {
		email = '';
	}

	// check telephone validity
	telephone = parseInt(telephone, 10);
	if (telephone.length < 10) {
		telephone = '';
	} 

	// cancel form submission on error - might want to add some sort of error flag!
	if (!email || !telephone || !name) {
		return;
	} 

//		window.open(url);
}


$(document).ready(function() {

	$('#pdf_form').submit(function() {
		
		var email = $('#email').val();
		var telephone = $('#tel').val();
		var name = $('#name').val();
		var url = 'http://buyingin.co.uk/_assets/documents/buying_in_turkey_guide_2007.pdf';

//		pdf_validate(email, telephone, name, url);
	});
	
	
	$('#pdf_form2').submit(function() {
		
		var email = $('#main_email').val();
		var telephone = $('#main_tel').val();
		var name = $('#main_name').val();
		var url = 'http://buyingin.co.uk/_assets/documents/buying_in_turkey_guide_2007.pdf';

//		pdf_validate(email, telephone, name, url);
	});	
});