jQuery.jScale={
		getnewSize:function(side, nvalue){
			var otherside=(side=="w")? "h" : "w"
			if (typeof nvalue=="undefined" || nvalue==null) //if this side has no explicit size set, scale it
				var newSize=this.ndimensions[otherside] * this.odimensions[side] / this.odimensions[otherside]
			else
				var newSize=(/%/.test(nvalue))? parseInt(nvalue)/100 * this.odimensions[side] : parseInt(nvalue)
			this.ndimensions[side]=Math.round(newSize)
		},
		getnewDimensions:function($, imgref, setting, callback){
			
			//alert('yes');
	 		//create temporary floating image to get original image's true dimensions (in case width/height attr set)
			var $tempimg=$('<img src="'+imgref.src+'" style="position:absolute; top:0; left:0; visibility:hidden" />').prependTo('body')
			this.odimensions={w:$tempimg.width(), h:$tempimg.height()} //get image dimensions
			var this_width = this.odimensions.w;
			var this_height = this.odimensions.h;
			//alert(this.odimensions.w + '|' + setting.w);
			if (this.odimensions.w >= parseInt(setting.w.replace('px',''))) {
		
			var sortbysize=(this.odimensions.w>this.odimensions.h)? ["w","h"] : ["h","w"] //array to determine [largerside, shorterside]
			this.ndimensions={}
			if (typeof setting.ls!="undefined"){ //if setting.ls defined
				setting[sortbysize[0]]=setting.ls //set the correct side to the longest side's value setting
				setting[sortbysize[1]]=null
			}
			var sortbyavail=(setting.w)? ["w","h"] : (setting.h)? ["h","w"] : [] //check which side to work on based on availibility (which property is set by user)
			if (sortbyavail.length>0){
				this.getnewSize(sortbyavail[0], setting[sortbyavail[0]]) //work on side with property that's defined for sure first
				this.getnewSize(sortbyavail[1], setting[sortbyavail[1]]) //work on side with property that may or may not be defined last
				var callbackfunc=callback || function(){}
				if (setting.speed>0)
					$(imgref).animate({width:this.ndimensions.w+'px', height:this.ndimensions.h+'px'}, setting.speed, callbackfunc)
				else{
					$(imgref).css({width:this.ndimensions.w+'px', height:this.ndimensions.h+'px'});
					$(imgref).bind('click', function() {openPic($(imgref).attr('src'),this_width,this_height);});
					$(imgref).bind('mouseover', function() {$(imgref).css('cursor','pointer');});
					$(imgref).bind('mouseout', function() {$(imgref).css('cursor','default');});
					callbackfunc.call(imgref);
				}
			}
			}
			$tempimg.remove();
		}
	};

	jQuery.fn.jScale=function(setting, callback){
		return this.each(function(){ //return jQuery obj
			var imgref=this			
			if (typeof setting=="undefined" || imgref.tagName!="IMG")
				return true //skip to next matched element
			if (imgref.complete){ //account for IE not firing image.onload
				jQuery.jScale.getnewDimensions(jQuery, imgref, setting, callback)
			}
			else{
				$(this).bind('load', function(){
					jQuery.jScale.getnewDimensions(jQuery, imgref, setting, callback)
				});
				
			}
		})
	};