/*
 * TextLimit - jQuery plugin for counting and limiting characters for input and textarea fields
 * 
 * pass '-1' as speed if you don't want slow char deletion effect. (don't just put 0)
 * Example: jQuery("Textarea").textlimit('span.counter',256)
 *
 * $Version: 2007.10.24 +r1
 * Copyright (c) 2007 Yair Even-Or
 * vsync.design@gmail.com
 */
jQuery.fn.textlimit=function(counter_el, thelimit, speed) {
	var charDelSpeed = speed || 15;
	var toggleCharDel = speed != -1;
	var toggleTrim = true;
	
	var that = this[0];
	updateCounter();
	
	function updateCounter(){
		jQuery(counter_el).text(thelimit - that.value.length);
	};
	
	this.keypress (function(e)
	{ 
		// preventDefault causes removing text impossible
		//if( this.value.length >= thelimit && e.charCode != '0' ) e.preventDefault() 
	})
	.keyup (function(e)
	{
		updateCounter();
		if( this.value.length >= thelimit && toggleTrim )
		{
			if(toggleCharDel)
			{
				// first, trim the text a bit so the char trimming won't take forever
				that.value = that.value.substr(0,thelimit+100);
				var init = setInterval
					( 
						function()
						{ 
							if( that.value.length <= thelimit)
							{ 
								init = clearInterval(init); updateCounter();
							}
							else
							{ 
								that.value = that.value.substring(0,that.value.length-1); 
								jQuery(counter_el).text('trimming...  '+(thelimit - that.value.length)); 
							};
						} ,charDelSpeed 
					);
			}
			else this.value = that.value.substr(0,thelimit);
		}
	});
	
};