// Mouseover effect for result table

function over_head(element) {
	element.className = "active_head";
}

function out_head(element) {
	element.className = "";
}

function over_field(element) {
	if (element.parentNode && element.style) {
		var parent = element.parentNode;
		parent.className = "active_field";
	}
}

function out_field(element) {
	if (element.parentNode && element.style) {
		var parent = element.parentNode;
		parent.className = "field";
	}
}

// Change submit text when form not empty anymore

function Form_Submit(form_id, submit_id, empty_text, full_text) {
	this.empty = true;
	this.form = document.getElementById(form_id);
	this.submit = document.getElementById(submit_id);
	this.empty_text = empty_text;
	this.full_text = full_text;
	
	this.submit.value = empty_text;
}

Form_Submit.changed = function(element) {
	if (!this.submit)
		return;
	
	if (strlen(element.value)) {
		if (this.empty) {
			this.submit = this.full;
			this.empty = false;
		}
	} else if (!this.empty) {
		this.submit = this.empty;
			this.empty = true;
	}
}