/*-----------------------------------------------------*/
/*                                                     */
/* reduce the maxlength to 5 charcters,                */
/* if the user lives in germany                        */
/*                                                     */
/*-----------------------------------------------------*/

function set_maxlength(type) {
    max = document.createAttribute("maxlength");
    max.nodeValue = "5";
    document.getElementById("postcode").setAttributeNode(max);
    if(type == "change") {
        max_new = document.createAttribute("maxlength");
        max_new.nodeValue = "5";
        document.getElementById("new_postcode").setAttributeNode(max_new);
    }
}

function change_maxlength(postcode_id,country_id) {
    max = document.createAttribute("maxlength");
    max_new = document.createAttribute("maxlength");
    status = document.getElementById(country_id).value;
    if(postcode_id == "postcode") {
        if (status != "DEU") {
            max.nodeValue = "";
        } else {
            document.getElementById(postcode_id).value = "";
            max.nodeValue = "5";
        }
        document.getElementById(postcode_id).setAttributeNode(max);
    } else if(postcode_id == "new_postcode") {
        if (status != "DEU") {
            max_new.nodeValue = "";
        } else {
            document.getElementById(postcode_id).value = "";
            max_new.nodeValue = "5";
        }
        document.getElementById(postcode_id).setAttributeNode(max_new);
    }
}

/*-----------------------------------------------------*/
/*                                                     */
/* write some radiobuttons, that change the label and  */
/* value, depending on the fundraising rhythm          */
/*                                                     */
/*-----------------------------------------------------*/

function write_contribution_radiobuttons(value) {
	document.write("einen Betrag* von:");
    document.write("<br \/>");
    document.write("<div class=\"radio\">");
    document.write("<input type=\"radio\" id=\"contribution_01\" name=\"FE[tx_a21gpdforms_donations][contribution]\" value=\"5\" onclick=\"clear_field(\'contribution_04\');\" onkeypress=\"this.onclick\" class=\"radio\" \/>");
    document.write("<label id=\"contribution_label_01\" for=\"contribution_01\">5 Euro<\/label>");
    document.write("<\/div>");
    document.write("<div class=\"radio\">");
    document.write("<input type=\"radio\" id=\"contribution_02\" name=\"FE[tx_a21gpdforms_donations][contribution]\" value=\"10\" onclick=\"clear_field(\'contribution_04\');\" onkeypress=\"this.onclick\" class=\"radio\" \/>");
    document.write("<label id=\"contribution_label_02\" for=\"contribution_02\">10 Euro<\/label>");
    document.write("<\/div>");
    document.write("<div class=\"radio\">");
    document.write("<input type=\"radio\" id=\"contribution_03\" name=\"FE[tx_a21gpdforms_donations][contribution]\" value=\"20\" onclick=\"clear_field(\'contribution_04\');\" onkeypress=\"this.onclick\" class=\"radio\" \/>");
    document.write("<label id=\"contribution_label_03\" for=\"contribution_03\">20 Euro<\/label>");
    document.write("<\/div>");
    document.write("<div class=\"radio\">");
    document.write("<input type=\"radio\" id=\"free_amount\" name=\"FE[tx_a21gpdforms_donations][contribution]\" value=\"0.0\" onclick=\"highlite_field(\'contribution_04\');\" onkeypress=\"this.onclick\" class=\"radio\"" + (value==undefined ? "" : " checked=\"checked\"" ) + " \/>");
    document.write("<label id=\"free_amount_label\" for=\"free_amount\">anderer Betrag<\/label>");
    document.write("<\/div>");
	if (value==undefined) {
		value = "";
	}
    document.write("<div class=\"field\">");
    document.write("<input type=\"text\" id=\"contribution_04\" name=\"FE[tx_a21gpdforms_donations][contribution]\" value=\"" + value + "\" onfocus=\"set_focus_on_free_amount_field();\" onblur=\"release_focus_on_free_amount_field();\" style=\"border-style:solid;border-color:#999;background-color:#eee;\" \/>");
    document.write("<\/div>");
}

function change_euro_radiobuttons_values() {
	var el = document.getElementById("contributionrythm");
    if (el && el.nodeName.toLowerCase()=='select') {
	    var rhythm = el.value;
	    switch(rhythm) {
	        case "2":
	        document.getElementById("contribution_label_01").innerHTML = "5 Euro";
	        document.getElementById("contribution_label_02").innerHTML = "10 Euro";
	        document.getElementById("contribution_label_03").innerHTML = "20 Euro";
	        document.getElementById("contribution_01").value = "5";
	        document.getElementById("contribution_02").value = "10";
	        document.getElementById("contribution_03").value = "20";
	        break;
	        case "3":
	        document.getElementById("contribution_label_01").innerHTML = "15 Euro";
	        document.getElementById("contribution_label_02").innerHTML = "30 Euro";
	        document.getElementById("contribution_label_03").innerHTML = "60 Euro";
	        document.getElementById("contribution_01").value = "15";
	        document.getElementById("contribution_02").value = "30";
	        document.getElementById("contribution_03").value = "60";
	        break;
	        case "4":
	        document.getElementById("contribution_label_01").innerHTML = "30 Euro";
	        document.getElementById("contribution_label_02").innerHTML = "50 Euro";
	        document.getElementById("contribution_label_03").innerHTML = "100 Euro";
	        document.getElementById("contribution_01").value = "30";
	        document.getElementById("contribution_02").value = "50";
	        document.getElementById("contribution_03").value = "100";
	        break;
	        case "5":
	        document.getElementById("contribution_label_01").innerHTML = "50 Euro";
	        document.getElementById("contribution_label_02").innerHTML = "80 Euro";
	        document.getElementById("contribution_label_03").innerHTML = "120 Euro";
	        document.getElementById("contribution_01").value = "50";
	        document.getElementById("contribution_02").value = "80";
	        document.getElementById("contribution_03").value = "120";
	        break;
	        default:
	        case "1":
	        document.getElementById("contribution_label_01").innerHTML = "50 Euro";
	        document.getElementById("contribution_label_02").innerHTML = "80 Euro";
	        document.getElementById("contribution_label_03").innerHTML = "120 Euro";
	        document.getElementById("contribution_01").value = "50";
	        document.getElementById("contribution_02").value = "80";
	        document.getElementById("contribution_03").value = "120";
	        break;
	    }
    }
} 

function clear_field(field) {
 	document.getElementById(field).disabled = "disabled";
 	document.getElementById(field).style.borderStyle = "solid";
 	document.getElementById(field).style.borderColor = "#999";
 	document.getElementById(field).style.backgroundColor = "#eee";
	if (field!='contribution_04') document.getElementById(field).value = "";
}

function highlite_field(field) {
	if (field=='contribution_04') {
		document.getElementById(field).disabled = "";
		document.getElementById(field).style.borderStyle = "inset";
		document.getElementById(field).style.borderColor = "black";
		document.getElementById(field).style.backgroundColor = "#ff944c";
		if (document.getElementById(field).value=='') {
			document.getElementById(field).value = 'Bitte hier vollen Eurobetrag eingeben.';
		}
	}
// 	document.getElementById(field).select();
// 	document.getElementById(field).focus();
}

function set_focus_on_free_amount_field() {
    highlite_field('contribution_04');
	if (document.getElementById('contribution_04').value=='Bitte hier vollen Eurobetrag eingeben.') document.getElementById('contribution_04').value = '';
    document.getElementById("free_amount").checked=true;
}
function release_focus_on_free_amount_field() {
	var field = document.getElementById('contribution_04');
	if (field.value=='') document.getElementById('contribution_04').value = 'Bitte hier vollen Eurobetrag eingeben.';
}

function set_focus_on_confirmationyear() {
    field = 'confirmationyear';
    if (!document.getElementById(field).value) {
	 	document.getElementById(field).disabled = "";
	 	document.getElementById(field).style.borderStyle = "inset";
	 	document.getElementById(field).style.borderColor = "black";
	 	document.getElementById(field).style.backgroundColor = "#ff944c";
    }
    document.getElementById('confirmation_05').checked=true;
}

function process_confirmationyear(enable) {
    if (enable) {
	 	document.getElementById("confirmationyear").disabled = "";
	 	document.getElementById("confirmationyear").style.borderStyle = "inset";
	 	document.getElementById("confirmationyear").style.borderColor = "black";
	 	document.getElementById("confirmationyear").style.backgroundColor = "#ff944c";
	 	document.getElementById("confirmationyear").focus();
    } else {
		clear_field('confirmationyear');
    }
}

function change_incentives() {
    if(document.getElementById("incentive_fieldset")) {
	    var status = document.getElementById("contributionrythm").value;
	    if (status == 1 && incentives_are_allways_on!=true) {
	        document.getElementById("incentive_fieldset").style.display = "none";
	    } else {
	        document.getElementById("incentive_fieldset").style.display = "block";
	    }
	    change_euro_radiobuttons_values();
    } else if(document.getElementById("incentive_label")) {
	    var status = document.getElementById("contributionrythm").value;
	    if (status == 1 && incentives_are_allways_on!=true) {
	        document.getElementById("incentive_label").style.color = "#666";
	        document.getElementById("incentive_label").innerHTML = "Geschenke stehen nur regelm&auml;&szig;igen F&ouml;rderern zur Verf&uuml;gung.";
	        document.getElementById("incentive_label").style.width = "100%";
	        document.getElementById("incentive").style.visibility = "hidden";
	    } else {
	        document.getElementById("incentive_label").style.color = "black";
	        document.getElementById("incentive_label").innerHTML = "Geschenkwunsch";
	        document.getElementById("incentive_label").style.width = "10em";
	        document.getElementById("incentive").style.visibility = "visible";
	    }
	    change_euro_radiobuttons_values();
	}
}

var incentives_are_allways_on = false;