<!--

function init() {
    ie = (document.all)? true:false
    ns = (ie)? false:true
}

function bgChange(celda,img)
{
    celda.style.background="url(" + img + ")";
}

function gotoUrl(url) {
    if (url != '#' && url.length > 0) {
        //self.location.replace(url)
        window.open(url, '_self');
    }	
}

function CheckSecCode()
{
    var myConn 		= new XHConn();	
    var secCode	= document.getElementById('code').value;
    var Obj	= document.getElementById('codeOK'); // El id del div donde se cargaran las cosas
    if (!myConn) alert("XMLHTTP not available. Try a newer/better browser.");
    var fnWhenDone = function (oXML) {
        if (oXML.responseText == "0") {
            alert (document.getElementById("wrong_sec_code").value);
            document.getElementById('siimage').src = '/modules/abstracts/securimage_show.php?sid=' + Math.random();
            document.getElementById("code").value = "";
            document.getElementById("code").focus();
        }
        else
            document.getElementById("form_send_abstract").submit();
    };
    myConn.connect("/modules/abstracts/check-sec-code.php", "POST", "code=" + secCode, fnWhenDone);	
}

function valida_send_abstract(){
    if	(isEmpty("job_title")) {
        alert (document.getElementById("empty_job_title").value);
        return false;
    };
    if	(isEmpty("nomb1") || isEmpty("apellidos1")) {
        alert (document.getElementById("empty_nomb1").value);
        return false;
    };
    if	(isEmpty("organization_name")) {
        alert (document.getElementById("empty_organization_name").value);
        return false;
    };
    if	(isEmpty("email")) {
        alert (document.getElementById("empty_email").value);
        return false;
    };
    if	(!isMail_address(document.getElementById("email").value)) {
        alert (document.getElementById("bad_email").value);
        return false;
    };
    if	(isEmpty("uploadedfile1")) {
        alert (document.getElementById("empty_uploadedfile").value);
        return false;
    };
    if (document.getElementById("hasCode").value == 1)
        CheckSecCode();
    else
        document.getElementById("form_send_abstract").submit();
}

function isMail_address (str){
    return  ((str.indexOf('@') != -1) && (str.indexOf('@') != 0) && (str.indexOf('@') != str.length -1) && (str.indexOf('.') != -1) && (str.indexOf('.') != 0) && (str.indexOf('.') != str.length -1))  
    
}

function datos_resumen(){
    if (form1.select_modalidad.value == "1")
        participant.style.display = 'block'
    else
        participant.style.display = 'none'
}
function show_div(show){
    if (show == true)
        div.style.display = 'block'
    else
        div.style.display = 'none'
}

function isEmpty(id) {
    var elem = document.getElementById(id);
    if ((elem != null) && ((elem.value == null) || (elem.value == ""))) {
        elem.focus();  
        return true;
    } else
        return false;
}

function show(id) {
    document.getElementById(id).style.display = "block";
}

function hide(id) {
    document.getElementById(id).style.display = "none";
}

function authors (num){
    switch(num) {
        case "1":
            show("author1");
            hide("author2"); hide("author3"); hide("author4"); hide("author5"); hide("author6"); 
            break;
            case "2":
                show("author1"); show("author2");
                hide("author3"); hide("author4"); hide("author5"); hide("author6"); 
		break;
		case "3":
                    show("author1"); show("author2"); show("author3");
                    hide("author4"); hide("author5"); hide("author6"); 
                    break;
                    case "4":
			show("author1"); show("author2"); show("author3"); show("author4");
			hide("author5"); hide("author6"); 
                        break;
                        case "5":
                            show("author1"); show("author2"); show("author3"); show("author4"); show("author5");
                            hide("author6"); 
                            break;
                            case "6":
                                show("author1"); show("author2"); show("author3"); show("author4"); show("author5"); show("author6");
                                break;
    }
}
                        
function valida_personal_info(){
    init();
    for (var i=1; i<=document.getElementById("cant_persons").value; i++){
        if	(!name_ok("nombre"+i)) {
            alert (document.getElementById("msg_empty_name").value);
            return false;
        };
        if	(!name_ok("apellidos"+i)) {
            alert (document.getElementById("msg_empty_surname").value);
            return false;
        }
        if (document.getElementById("extraDataPersonValue"+i) != null) {
            var extra = document.getElementById("extraDataPersonValue"+i).value;
            extra = extra.replace(' ', '');
            if ((document.getElementById("extraDataPersonValue"+i) != null) && (extra.length == 0)) {
                alert (document.getElementById("msg_empty").value);
                document.getElementById("extraDataPersonValue"+i).focus();
                return false;
            }
        }
    }

    if	(!string_ok("company")) {
        alert (document.getElementById("msg_empty_company").value);
        return false;
    };
    if	(!string_ok("address")) {
        alert (document.getElementById("msg_empty_address").value);
        return false;
    };
    if	(!string_ok("province")) {
        alert (document.getElementById("msg_empty_province").value);
        return false;
    };
    if	(!string_ok("city")) {
        alert (document.getElementById("msg_empty_city").value);
        return false;
    };
    if	(!email_ok("email")) {
        alert (document.getElementById("msg_empty_email").value);
        return false;
    };
    if	((document.getElementById("aeroplan_in")) && (!string_ok("aeroplan_in"))) {
        alert (document.getElementById("msg_empty_aeroplan").value);
        return false;
    };
    if	((document.getElementById("aeroplan_out")) && (!string_ok("aeroplan_out"))) {
        alert (document.getElementById("msg_empty_aeroplan").value);
        return false;
    };
    if	(!string_ok("zip_code")) {
        alert (document.getElementById("msg_empty_zip_code").value);
        return false;
    };
    if	(!number_ok("phone1")) {
        alert (document.getElementById("msg_empty_telephone").value);
        return false;
    };
    if	(!number_ok("phone2")) {
        alert (document.getElementById("msg_empty_telephone").value);
        return false;
    };
    if	(!number_ok("phone3")) {
        alert (document.getElementById("msg_empty_telephone").value);
        return false;
    };
    if	(!isEmpty("fax1") && !number_ok("fax1")) {
        alert (document.getElementById("msg_empty_fax").value);
        return false;
    };
    if	(!isEmpty("fax1") && !number_ok("fax2")) {
        alert (document.getElementById("msg_empty_fax").value);
        return false;
    };
    if	(!isEmpty("fax1") && !number_ok("fax3")) {
        alert (document.getElementById("msg_empty_fax").value);
        return false;
    };

    return true;
}

function string_ok(id) {
    var re = /^[0-9a-zA-Z玲砷晚芋邡疡\;\:\,\*\#\+\.\\\[\]\(\)\-\_\/\[\] ]+$/;
    if (document.getElementById(id) != null) {
        if ((document.getElementById(id).value != null) && (re.test(document.getElementById(id).value))) {
            return true;
        }
        else {
            document.getElementById(id).focus();  
            return false;
        }
    }
    return true;
}

function email_ok(id) {
    var re = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/;
    if ((document.getElementById(id).value != null) && (re.test(document.getElementById(id).value))) {
        return true;
    }
    else {
        document.getElementById(id).focus();  
        return false;
    }
}

function name_ok(id) {
    var re = /^[a-zA-Z玲砷晚芋邡疡 ]+$/;
    if ((document.getElementById(id).value != null) && (re.test(document.getElementById(id).value))) {
        return true;
    }
    else {
        document.getElementById(id).focus();  
        return false;
    }
}

function number_ok(id) { 
    var re = /^\d+$/;
    if ((document.getElementById(id).value != null) && (re.test(document.getElementById(id).value))){
        return true;
    }
    else{
        document.getElementById(id).focus();
        return false;
    }
}

function Change(palaceposition){
    var node = document.all.item("palace");
    if (node != null) {
        if (node.length > 0) {					
            for (j=0; j<node.length; j++) { 												
                if (j == palaceposition)  
                    node(j).style.display = "";
                else 
                    node(j).style.display = "none";	
            }
        } 
        else {
            if (node.style.display == "none") 
                node.style.display = "";
            else 
                node.style.display = "none";
        }
    }
}

function change_date (date1, date2, direction) {
    date1_arr = date1.split("-");
    date2_arr = date2.split("-");
    switch (direction) {
        case "+":
            if (date1_arr[2] >= date2_arr[2]){
                date2_arr[2] = parseInt(date1_arr[2]) + 1;
                if ((parseInt(date2_arr[2]) <= 9) && (parseInt(date2_arr[2]) >=1))
                    date2_arr[2] = "0" + date2_arr[2];
            }
            break;
            case "-":
                if (date1_arr[2] <= date2_arr[2]) {
                    date2_arr[2] = parseInt(date1_arr[2]) - 1;
                    if ((parseInt(date2_arr[2]) <= 9) && (parseInt(date2_arr[2]) >=1))
                        date2_arr[2] = "0" + date2_arr[2];
                }
                break;
            }
            return date2_arr[0] + "-" + date2_arr[1] +"-"+ date2_arr[2];
        }

        function index_of_select (select1, value) {
            index = -1;
            for (i=0; document.getElementById(select1).length-1; i++) {
                if (document.getElementById(select1).options[i].value == value) {
                    index = i;
                    break;
                }
            }
            return index;
        }

        function change_select (select1, select2, direction) {
            date2 = change_date(document.getElementById(select1).value, document.getElementById(select2).value, direction);
            if (index_of_select(select2, date2) != -1) {
                document.getElementById(select2).selectedIndex = index_of_select(select2, date2);
            }
        }

        function submitform (form, page) {
            document.getElementById(form).action = page;
            document.getElementById(form).submit();
        }

        function change_selection_index(id_change, id_changevalue)
        {
            document.getElementById(id_change).selectedIndex = document.getElementById(id_changevalue).selectedIndex;
        }
        //-->