/*
 * mopHover 3.0
 * By Hiroki Miura (http://www.mopstudio.jp)
 * Copyright (c) 2009 mopStudio
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
 * February 6, 2012
*/

jQuery.fn.extend({
	mopHover:function(setting){
		var fastSrc,newSrc0,newSrc1,newSrc2;
		var target;
		var slide;
		var check;
		var d;
		var slideTarget;
		if(!setting){
			setting={};
			target="this";
		}else if(!setting.target){
			target="this";
		}else{
			target=setting.target;
		}
		var mopHoverVer={
			func0:function(){
				if(fasrSrc){
					newSrc0=fasrSrc.slice(0,-4);
				}
			},
			func1:function(){
				mopHoverVer.func0();
				check=newSrc0.slice(-3);
				newSrc1=newSrc0.slice(0,-3); 
				if(check==='_no'){
					newSrc1=newSrc1+'_on'
				}else if(check==='_on'){
					newSrc1=newSrc1+'_no'
				}else{
					newSrc1=newSrc1+'_no'
				}
			},
			func2:function(){
				newSrc2=fasrSrc.slice(-4);
				if(newSrc2===".png"){
					newSrc2=".png"
				}else if(newSrc2===".jpg"){
					newSrc2=".jpg"
				}else if(newSrc2===".gif"){
					newSrc2=".gif"
				}
			},
			func3:function(){
				mopHoverVer.func0();
				check=newSrc0.slice(-6,-3);
				newSrc0=newSrc0.slice(0,-6);
				if(check==='_dn'){
					newSrc1=newSrc0+'_up_xx'
				}else{
					newSrc1=newSrc0+'_dn_on'
				}
			},
			hover:function(t){
				if(target==='this'){
					fasrSrc=$(t).attr("src");
					mopHoverVer.func1();
					mopHoverVer.func2();
					$(t).attr({src:newSrc1+newSrc2});
				}else if(target==='next'){
					fasrSrc=$(t).next().attr("src");
					mopHoverVer.func1();
					mopHoverVer.func2();
					$(t).next().attr({src:newSrc1+newSrc2});
				}else if(target==='child'){
					fasrSrc=$(t).children().attr("src");
					mopHoverVer.func1();
					mopHoverVer.func2();
					$(t).children().attr({src:newSrc1+newSrc2});
				}else if(target==='childNext'){
					fasrSrc=$(t).children().next().attr("src");
					mopHoverVer.func1();
					mopHoverVer.func2();
					$(t).children().next().attr({src:newSrc1+newSrc2});
				}else{
					fasrSrc=$(target).attr("src");
					mopHoverVer.func1();
					mopHoverVer.func2();
					$(target).attr({src:newSrc1+newSrc2});
				}
			},
			slide:function(t){
				if(slideTarget==='parentNext'){
					$(t).parent().next().slideToggle('fast');
				}else if(slideTarget==='next'){
					$(t).next().slideToggle('fast');
				}else{
					$(slideTarget).slideToggle('fast');
				};
			}
		};
		if(setting.slideTarget){
			slideTarget=setting.slideTarget;
		};
		$(this).hover(
			function(){
				mopHoverVer.hover(this);
			},
			function(){
				mopHoverVer.hover(this);
			}
		);
		$(this).click(
			function(){
				if(slideTarget){
					if(target==='this'){
						fasrSrc=$(this).attr("src");
						mopHoverVer.func3();
						mopHoverVer.slide(this);
						$(this).attr({src:newSrc1+newSrc2});
					}else if(target==='next'){
						fasrSrc=$(this).next().attr("src");
						mopHoverVer.func3();
						mopHoverVer.slide(this);
						$(this).next().attr({src:newSrc1+newSrc2});
					}else if(target==='child'){
						fasrSrc=$(this).children().attr("src");
						mopHoverVer.func3();
						mopHoverVer.slide(this);
						$(this).children().attr({src:newSrc1+newSrc2});
					}else if(target==='childNext'){
						fasrSrc=$(this).children().next().attr("src");
						mopHoverVer.func3();
						mopHoverVer.slide(this);
						$(this).children().next().attr({src:newSrc1+newSrc2});
					}else{
						fasrSrc=$(target).attr("src");
						mopHoverVer.func3();
						mopHoverVer.slide(this);
						$(target).attr({src:newSrc1+newSrc2});
					};
				}
			}
		);
	}
});