function set_submit_synth() {
	
	//alert("set_submit_synth()");
	//alert(document.form_synthetic.elements[0].value);
	//alert(document.form_synthetic.elements[1].src);
		
	if ( (document.form_synthetic.elements[0].value != "choose_stiffness") && (document.form_synthetic.elements.length > 1) ) {
		document.form_synthetic.elements[1].src = "images/buttons/next_bttn_on.gif"
	}
	
}


function submit_synthetic() {

	if ( document.form_synthetic.select_stiffness.value == "choose_stiffness" ) {
		alert("Please Choose a Brush Stiffness");
		return false;
	}

	
	return true;	

}

function submit_synthetic2() {

	if ( document.form_synthetic.select_stiffness.value == "choose_stiffness" ) {
		alert("Please Choose a Brush Stiffness");
	} else {
		document.form_synthetic.submit();
	}
}

function submit_watercolor() {
	
	if (document.form_watercolor.which_button.value == "shape") {

		if ( document.form_watercolor.select_shape.value == "choose_shape" ) {
			alert("Please Choose a Brush Shape");
			return false;
		}
		
	} else if (document.form_watercolor.which_button.value == "hair") {

		if ( document.form_watercolor.select_hair.value == "choose_hair" ) {
			alert("Please Choose a Brush Hair");
			return false;
		}
	} else if (document.form_watercolor.which_button.value == "liner") {

		if ( document.form_watercolor.select_liner.value == "choose_liner" ) {
			alert("Please Choose a Liner Type");
			return false;
		}
	}
	
	return true;	

}

function submit_oil_natural() {
	
	//alert(document.form_oil_natural.action);
	
	if (document.form_oil_natural.which_button.value == "hair") {

		
		if ( document.form_oil_natural.select_hair.value == "choose_hair" ) {
			alert("Please Choose a Brush Hair");
			return false;
		}
		
	} else if (document.form_oil_natural.which_button.value == "bristle") {

		if ( document.form_oil_natural.select_bristle.value == "choose_bristle" ) {
			alert("Please Choose a Brush Bristle Type");
			return false;
		}
		
	} else if (document.form_oil_natural.which_button.value == "special") {

		if ( document.form_oil_natural.select_special.value == "choose_special" ) {
			alert("Please Choose a Special Bristle Category");
			return false;
		}
	}
	
	if 	(	(document.form_oil_natural.select_hair.value == "black_sable") ||
			(document.form_oil_natural.select_hair.value == "badger") ||
			(document.form_oil_natural.select_hair.value == "mongoose") ||
			(document.form_oil_natural.select_hair.value == "ox")
		) 
	{
		document.form_oil_natural.action += "?select_hair=" + document.form_oil_natural.select_hair.value;
	}
	
	return true;	

}

function next_bttn_wc(strBttn) {

	document.form_watercolor.which_button.value = strBttn;

}


function next_bttn_oil(strBttn) {

	document.form_oil_natural.which_button.value = strBttn;

}