$(document).ready(function(){
	
	// functions which extend jquery
	$.fn.pause = function(milli,type) {
		milli = milli || 1000;
		type = type || "fx";
		return this.queue(type,function(){
			var self = this;
			setTimeout(function(){
				$.dequeue(self);
			},milli);
		});
	};

	$.fn.clearQueue = $.fn.unpause = function(type) {
		return this.each(function(){
			type = type || "fx";
			if(this.queue && this.queue[type]) {
				this.queue[type].length = 0;
			}
		});
	};
	/*
	 * Allows only valid characters to be entered into input boxes.
	 * Note: does not validate that the final text is a valid number
	 */
	jQuery.fn.numeric = function(decimal, callback){
		decimal = decimal || ".";
		callback = typeof callback == "function" ? callback : function(){};
		this.keypress(
			function(e)
			{
				var key = e.charCode ? e.charCode : e.keyCode ? e.keyCode : 0;
				// allow enter/return key (only when in an input box)
				if(key == 13 && this.nodeName.toLowerCase() == "input")
				{
					return true;
				}
				else if(key == 13)
				{
					return false;
				}
				var allow = false;
				// allow Ctrl+A
				if((e.ctrlKey && key == 97 /* firefox */) || (e.ctrlKey && key == 65) /* opera */) return true;
				// allow Ctrl+X (cut)
				if((e.ctrlKey && key == 120 /* firefox */) || (e.ctrlKey && key == 88) /* opera */) return true;
				// allow Ctrl+C (copy)
				if((e.ctrlKey && key == 99 /* firefox */) || (e.ctrlKey && key == 67) /* opera */) return true;
				// allow Ctrl+Z (undo)
				if((e.ctrlKey && key == 122 /* firefox */) || (e.ctrlKey && key == 90) /* opera */) return true;
				// allow or deny Ctrl+V (paste), Shift+Ins
				if((e.ctrlKey && key == 118 /* firefox */) || (e.ctrlKey && key == 86) /* opera */
				|| (e.shiftKey && key == 45)) return true;
				// if a number was not pressed
				if(key < 48 || key > 57)
				{
					/* '-' only allowed at start */
					if(key == 45 && this.value.length == 0) return true;
					/* only one decimal separator allowed */
					if(key == decimal.charCodeAt(0) && this.value.indexOf(decimal) != -1)
					{
						allow = false;
					}
					// check for other keys that have special purposes
					if(
						key != 8 /* backspace */ &&
						key != 9 /* tab */ &&
						key != 13 /* enter */ &&
						key != 35 /* end */ &&
						key != 36 /* home */ &&
						key != 37 /* left */ &&
						key != 39 /* right */ &&
						key != 46 /* del */
					)
					{
						allow = false;
					}
					else
					{
						// for detecting special keys (listed above)
						// IE does not support 'charCode' and ignores them in keypress anyway
						if(typeof e.charCode != "undefined")
						{
							// special keys have 'keyCode' and 'which' the same (e.g. backspace)
							if(e.keyCode == e.which && e.which != 0)
							{
								allow = true;
							}
							// or keyCode != 0 and 'charCode'/'which' = 0
							else if(e.keyCode != 0 && e.charCode == 0 && e.which == 0)
							{
								allow = true;
							}
						}
					}
					// if key pressed is the decimal and it is not already in the field
					if(key == decimal.charCodeAt(0) && this.value.indexOf(decimal) == -1)
					{
						allow = true;
					}
				}
				else
				{
					allow = true;
				}
				return allow;
			}
		)
		.blur(
			function()
			{
				var val = jQuery(this).val();
				if(val != "")
				{
					var re = new RegExp("^\\d+$|\\d*" + decimal + "\\d+");
					if(!re.exec(val))
					{
						callback.apply(this);
					}
				}
			}
		)
		return this;
	}
	
	$(".notify").fadeIn("slow").pause(3000).fadeOut("slow");
	$(".confirm").click(function(){return confirm(this.title+"\nAre you sure you want to continue?");});
	$(".required").keyup(function(){
		if(this.value){$(this).removeClass("warn");
		}else{$(this).addClass("warn");}
	});
	$(".numbers").numeric();
	$("a[@href]").each(function(i){if(this.rel=="external"){this.target='_blank';}});
	$("table.striped tbody tr:nth-child(odd)").addClass("odd");
	
	$(".validate input[@type=submit]").click(function(){
		valid = true;
		e='';
		$(".required").each(function(i){
			if(!this.value){
				$(this).addClass("warn");
				e=e+$(this).attr("title")+"\n";
				valid=false;
			} else {
				$(this).removeClass("warn");
			}
		});
		if(!valid){alert(e);}
		return valid;
	});
	
	$('.highslide').click(function(){
		return hs.expand(this);
	});
	
});