/* V A L I D A T E    F O R M */
function validateForm(validate) {
    var curr_field, fieldName, filterList, element, errno, tvalue, len;
    var missinginfo = '';
    var matchEmail =/email/i
    var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
    var matchField = /([a-zA-Z0-9]{1}[\w_]+[a-zA-Z0-9]{1})\[([\S]{0,})\]/i

    /*filters used*/
    var filter1 = /len/i //maximum length
    var filter2 = /numeric/i //numeric fields

    var checkList = validate.split(",");
    for( var z=0; z < checkList.length; z++ ) {
        //get the field name
        fieldName = checkList[z].replace(matchField,"$1");
        //get the field criterias
        curr_field = checkList[z].replace(matchField, "$2");
        element = document.getElementById(fieldName);
        
        //check if this field is the email field to use different filter
        if(matchEmail.test(fieldName)) {
            if( !filter.test(element.value) ) { errno = 3;  } else { errno = 0;  }
        } else {
            //check if field is blank
            if( element.value == '' ) {
                errno = 1;
            } else {
                filterList = curr_field.split(";");
                for( var f=0; f < filterList.length; f++ ) {
                    
                    tvalue = filterList[f].split("=");
                    if(filter1.test(filterList[f])) {//check field length
                        if(element.value.length > tvalue[1] ) { errno = 2; len=tvalue[1]; } else { errno = 0; }
                    } else if(filter2.test(filterList[f])){//check if field is numeric
                        if(!IsNumeric(element.value)) { errno = 4; } else { errno = 0; }
                    }
                }
            }
        }
        //clear underscores from field name
        fieldName = fieldName.replace("form1_","");
        fieldName = fieldName.replace("form2_","");
        fieldName = fieldName.replace("form3_","");
        fieldName = fieldName.replace(/[_' ']/g," ");

        //ERRORS messages type
        switch(errno){
            case 1://field is blank
                missinginfo += '\n - '+ capitalize(fieldName)+ ' is required';
                element.style.backgroundColor='#E3F0FF';
                break;
                
            case 2://max characters permitted
                missinginfo += '\n - '+ capitalize(fieldName)+ ' Max. Characters permitted = '+len;
                element.style.backgroundColor='#E3F0FF';
                break;
                
            case 3://invalid email
                missinginfo += '\n - '+ capitalize(fieldName)+ ' is not valid';
                element.style.backgroundColor='#E3F0FF';
                break;
                
            case 4://numeric fields
                missinginfo += '\n - '+ capitalize(fieldName)+ ' is a numeric field';
                element.style.backgroundColor='#E3F0FF';
                break;
                
            default:
                element.style.backgroundColor='#FFFFFF';
                break;
        }
    }
    if (missinginfo != '') {
        missinginfo = '_____________________________\n' + 'Please fill in correctly the following information:\n' +
        missinginfo + '\n_____________________________';
        alert(missinginfo);
        return false;
    } else {
        return true;
    }
    return false;
}

/*C O N V E R T   F I R S T   L E T T E R   T O    U P P E R C A S E*/
function capitalize(str) {
  var arr=str.split("");
  arr[0]=arr[0].toUpperCase();
  var s=arr.join("");
  return s;
}

/*C H E C K   I F   A   F I E L D   I S   N U M E R I C*/
function IsNumeric(sText){
    var ValidChars = "0123456789.";
    var IsNumber=true;
    var Char;


    for (i = 0; i < sText.length && IsNumber == true; i++) {
        Char = sText.charAt(i);
        if (ValidChars.indexOf(Char) == -1) {
            IsNumber = false;
        }
    }
   return IsNumber;

}

function ajax(fragment_url,element_id) {

    var element = document.getElementById(element_id);

    document.body.style.cursor = "progress";
    
    element.innerHTML = '<font size=1>Loading...</font>';
    
    if (window.XMLHttpRequest) { //for all browers but IE
        xmlhttp = new XMLHttpRequest();
    } else if (window.ActiveXObject) { //for IE
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
    }
    
    xmlhttp.open("GET", fragment_url+ '&r='+Math.random());
    xmlhttp.onreadystatechange = function() {
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            document.body.style.cursor = "auto";
            element.innerHTML = (unescape(xmlhttp.responseText)).replace(/\+/gi," ");
        }
    }
    xmlhttp.send(null);
}

/*country change*/
function switchCountry(ct){
	
	var element = document.getElementById('areaS');
	
	if(ct=='Spain' || ct==''){
		element.style.display = '';
	} else {
		element.style.display = 'none';
	}
}

function CreateBookmarkLink(title,url) {

    title = "Rentals Costa del Sol"; 
    url = "http://www.rentalscostadelsol.com";

    if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url,"");
	} else if( window.external ) { // IE Favorite
		window.external.AddFavorite( url, title);
    } else if(window.opera && window.print) { // Opera Hotlist
		return true; 
    }
}

//OPEN POP-UP ON CENTER OF SCREEN
function popup(page,w,h,scroll) {
    var winl = (screen.width-w)/2;
    var wint = (screen.height-h)/2;

    if (winl < 0) winl = 0;
    if (wint < 0) wint = 0;
    scroll = scroll ? ',scrollbars=yes' : '';
    windowprops = "resizable=yes,height="+h+",width="+w+",top="+ wint +",left="+ winl+scroll;
    var mypop = window.open(page, "IT-Design", windowprops);
    mypop.focus();
}