function campo(){
	document.write("<input type='text' id='palab' name='palab' size='6'> On this field type the name of the country shown below<br>");
	document.write("<img border='0' src='img.gif' width='189' height='41'>");
}

function estilo(){
var palab = document.getElementById("palab").value;
if (palab=='mexico') {
		document.getElementById("ffont").value="simon";
		return true;

		}

	else {
		alert("ERROR: Enter the text \"mexico\" without capital letters.");
		document.getElementById("palab").focus();
		return false;
		}
}