var inputFieldsText = $("input[type='text']");
for (i=0; i<inputFieldsText.length; i++) {
	initialiseFormField(inputFieldsText[i], inputFieldsText[i].value);
}

var inputFieldsPsw = $("input[type='password']");
for (i=0; i<inputFieldsPsw.length; i++) {
	initialiseFormField(inputFieldsPsw[i], inputFieldsPsw[i].value);
}

function initialiseFormField(element, text) {
	element.rel = text;
	
	$(element).focus(function() {
		if (this.value == this.rel) {
			this.value = '';
		}
	});
	
	$(element).blur(function() {
		if (this.value == '') {
			this.value = this.rel;
		}
	});
}