function getParameterByName(name, url) {
    if (!url) url = window.location.href;
    name = name.replace(/[\[\]]/g, "\\$&");
    var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)", "i"),
        results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, " "));
}

function myLog(log_message) {
	if (window.display_errors)
		console.log(log_message);
}

function wh_getDateObj(date_str) {
	return new Date(date_str.substring(6,10),date_str.substring(3,5)-1,date_str.substring(0,2));
}

function wh_showModal(title, body) {
	jQuery( "#defaultModal .modal-title").html(title);
	jQuery( "#defaultModal .modal-body").html(body);
	jQuery( "#defaultModal #btnToLogin").click(function() {
		document.location.href = window.login_url;
	});
	jQuery( "#defaultModal").modal({
		backdrop: 'static',
		keyboard: false
	});
	
	jQuery( "#defaultModal").modal("show");
}


function wh_showAreYouSureModal(title, body, action, param1) {
	jQuery( "#areYouSureModal .modal-title").html(title);
	jQuery( "#areYouSureModal .modal-body").html(body);
	
	var yesHandler = function(e) {
		action(param1);
		//console.log("yes");
	};
	
	var noHandler = function(e) {
		jQuery( "#defaultModal").modal("hide");
		//console.log("no");
	};
	
	jQuery( "#areYouSureModal #btnAreYouSureYes").unbind("click").click(yesHandler);
	jQuery( "#areYouSureModal #btnAreYouSureNo").unbind("click").click(noHandler);
	
	jQuery( "#areYouSureModal").modal({
		backdrop: 'static',
	});
	
	jQuery( "#areYouSureModal").modal("show");
}


function wh_checkEmpty(id) {
	if (jQuery( "#"+id ).val() == "") {
		jQuery( "#"+id ).parent().addClass("has-error");
		return true;
	}
	
	return false;
}

function wh_addOptionsToSelect(id, items, removeOptions) {
	var tmp_val = jQuery('#'+id).val();

	if (removeOptions == true)
		wh_removeOptionsFromSelectWithoutDefault(id);
		
	jQuery.each(items, function (i, item) {
		jQuery('#'+id).append(jQuery('<option>', { 
	        value: item.id,
	        text : item.name 
	    }));
	});
	jQuery('#'+id).val(tmp_val);
	jQuery('#'+id).selectpicker('refresh');
	
	return true;
}

function wh_removeOptionsFromSelect(id) {
	jQuery('#'+id).find('option').remove();
	jQuery('#'+id).selectpicker('refresh');
	
	return true;
}


function wh_removeOptionsFromSelectWithoutDefault(id) {
	jQuery('#'+id).find('option[value!="0"]').remove();
	jQuery('#'+id).selectpicker('refresh');
	
	return true;
}