jQuery.fn.microtime = function(get_as_float)
{
	var now = new Date().getTime() / 1000;
	var s = parseInt(now, 10);
	return (get_as_float) ? now : (Math.round((now - s) * 1000) / 1000) + ' ' + s;
}
jQuery.fn.title = function(l)
{
	var t = this.text();
	this.text("");
	if(l == null)
		l = 50;
	if(t.length > l)
		this.text(t.substring(0, l) + "...");
	else
		this.text(t);
	return this;
}

jQuery.fn.number_format = function(decimals, dec_point, thousands_sep)
{
    var n = this.val();
	var c = isNaN(decimals = Math.abs(decimals)) ? 2 : decimals;
    var d = dec_point == undefined ? "." : dec_point;
    var t = thousands_sep == undefined ? "," : thousands_sep, s = n < 0 ? "-" : "";
    var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
	this.val(s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : ""))
    return this;
}
jQuery.fn.shiftSelect = function()
{
    var checkboxes = this;
    var lastSelected;
    jQuery(this).click( function(event) {

        if ( !lastSelected ) {
            lastSelected = this;
            return;
        }

        if ( event.shiftKey ) {
            var selIndex = checkboxes.index(this);
            var lastIndex = checkboxes.index(lastSelected);
            /*
             * if you find the "select/unselect" behavior unseemly,
             * remove this assignment and replace 'checkValue'
             * with 'true' below.
             */
            var checkValue = lastSelected.checked;
            if ( selIndex == lastIndex ) {
                return true;
            }

            var end = Math.max(selIndex,lastIndex);
            var start = Math.min(selIndex,lastIndex);
            for(i=start;i<=end;i++) {
                checkboxes[i].checked = checkValue;
            }
        }
        lastSelected = this;
    });
}
jQuery.fn.getUniqueID = function()
{
	var rnd = '';
	while (rnd.length < 36)
	{
		rnd += Math.floor(Math.random()*16).toString(16);
		if (rnd.length.toString().search(/^8|^13|^18|^23/) > -1)
			rnd += '-';
	}
	return '{' + rnd + '}';
}
jQuery.fn.popupWindow = function(instanceSettings)
{
	return this.each(function(){

	$(this).click(function(){

	$.fn.popupWindow.defaultSettings = {
		centerBrowser:0, // center window over browser window? {1 (YES) or 0 (NO)}. overrides top and left
		centerScreen:0, // center window over entire screen? {1 (YES) or 0 (NO)}. overrides top and left
		height:500, // sets the height in pixels of the window.
		left:0, // left position when the window appears.
		location:0, // determines whether the address bar is displayed {1 (YES) or 0 (NO)}.
		menubar:0, // determines whether the menu bar is displayed {1 (YES) or 0 (NO)}.
		resizable:0, // whether the window can be resized {1 (YES) or 0 (NO)}. Can also be overloaded using resizable.
		scrollbars:0, // determines whether scrollbars appear on the window {1 (YES) or 0 (NO)}.
		status:0, // whether a status line appears at the bottom of the window {1 (YES) or 0 (NO)}.
		width:500, // sets the width in pixels of the window.
		windowName:null, // name of window set from the name attribute of the element that invokes the click
		windowURL:null, // url used for the popup
		top:0, // top position when the window appears.
		toolbar:0 // determines whether a toolbar (includes the forward and back buttons) is displayed {1 (YES) or 0 (NO)}.
	};

	settings = $.extend({}, $.fn.popupWindow.defaultSettings, instanceSettings || {});

	var windowFeatures =    'height=' + settings.height +
							',width=' + settings.width +
							',toolbar=' + settings.toolbar +
							',scrollbars=' + settings.scrollbars +
							',status=' + settings.status +
							',resizable=' + settings.resizable +
							',location=' + settings.location +
							',menuBar=' + settings.menubar;

			settings.windowName = this.name || settings.windowName;
			settings.windowURL = this.href || settings.windowURL;
			var centeredY,centeredX;

			if(settings.centerBrowser){

				if ($.browser.msie) {//hacked together for IE browsers
					centeredY = (window.screenTop - 120) + ((((document.documentElement.clientHeight + 120)/2) - (settings.height/2)));
					centeredX = window.screenLeft + ((((document.body.offsetWidth + 20)/2) - (settings.width/2)));
				}else{
					centeredY = window.screenY + (((window.outerHeight/2) - (settings.height/2)));
					centeredX = window.screenX + (((window.outerWidth/2) - (settings.width/2)));
				}
				window.open(settings.windowURL, settings.windowName, windowFeatures+',left=' + centeredX +',top=' + centeredY).focus();
			}else if(settings.centerScreen){
				centeredY = (screen.height - settings.height)/2;
				centeredX = (screen.width - settings.width)/2;
				window.open(settings.windowURL, settings.windowName, windowFeatures+',left=' + centeredX +',top=' + centeredY).focus();
			}else{
				window.open(settings.windowURL, settings.windowName, windowFeatures+',left=' + settings.left +',top=' + settings.top).focus();
			}
			return false;
		});

	});
}


jQuery.fn.addslashes = function(str)
{
    str = str.replace(/\\/g,'\\\\');
    str = str.replace(/\'/g,'\\\'');
    str = str.replace(/\"/g,'\\"');
    str = str.replace(/\0/g,'\\0');
    return str;
}
jQuery.fn.stripslashes = function(str)
{
    str=str.replace(/\\'/g,'\'');
    str=str.replace(/\\"/g,'"');
    str=str.replace(/\\0/g,'\0');
    str=str.replace(/\\\\/g,'\\');
    return str;
}

jQuery.fn.defaultText = function()
{
	var searchboxText = $(this).val();
	if($(this).val() == searchboxText)
		$(this).css("color", "lightgray");
	this.focus(function(e)
	{
		if($(this).val() == searchboxText)
		{
			$(this).val('');
			$(this).css("color", "");
		}
	});
	this.blur(function(e)
	{
		if($(this).val() == '')
		{
			$(this).val(searchboxText);
			$(this).css("color", "lightgray");
		}
	});

	return this;
}