var fzoom = 0;
var changeSize = function() {
	var p = $('centercont').getElementsByTagName('p');
	for(i=0;i<p.length;i++) {
		if (fzoom == 0) {
			var psize = '1.3em';
		} else {
			var psize = '1.0em';
		}
		p[i].style.fontSize = psize;
	}
	var a = $('centercont').getElementsByTagName('a');

	for(i=0;i<a.length;i++) {
		if (fzoom == 0) {
			var asize = '1.3em';
		} else {
			var asize = '1.0em';
		}
		a[i].style.fontSize = asize;
	}

	if (fzoom == 0) fzoom = 1;
	else fzoom = 0;
}
var sendfriend = function() {
	var error = new Array();
	if ($('yourname').value == '' || $('yourname').value == 'Your Name') {
		error[error.length] = "Your Name";
		}
	if ($('friendmail').value=='' || $('friendmail').value=='Friends Email') {
		error[error.length] = "Friends Email";
	}
	if (error.length != 0) {
		alert("Please fill the following field(s)!\n"+error.join("\n"));
		return false;
	} else {
		return true;
	}
}

var sendcontact = function() {
	var error = new Array();
	
	if ($('c_name').value=='' || $('c_name').value == 'Your Name') error[error.length] = "Your Name";
	if ($('c_email').value=='' || $('c_email').value == 'Your Email') error[error.length] = "Your Email";
	if ($('c_location').value=='' || $('c_location').value == 'Location') error[error.length] = "Location";
	if ($('c_message').value == '' || $('c_message').value == 'Your message') error[error.length] = "Your message";


	if (error.length != 0) {
		alert("Please fill the following field(s)!\n"+error.join("\n"));
		return false;
	} else {
		return true;
	}
}