//==========================================================
//  透明度ロールオーバー
//==========================================================

(function($) {
	$.fn.opOver = function(op,oa,durationp,durationa){
		
		var c = {
			op:op? op:1.0,
			oa:oa? oa:0.75,
			durationp:durationp? durationp:'fast',
			durationa:durationa? durationa:'fast'
		};
		

		$(this).each(function(){
			$(this).css({
					opacity: c.op,
					filter: "alpha(opacity="+c.op*100+")"
				}).hover(function(){
					$(this).fadeTo(c.durationp,c.oa);
				},function(){
					$(this).fadeTo(c.durationa,c.op);
				})
		});
	},
	
	$.fn.wink = function(durationp,op,oa){

		var c = {
			durationp:durationp? durationp:'slow',
			op:op? op:1.0,
			oa:oa? oa:0.2
		};
		
		$(this).each(function(){
			$(this)	.css({
					opacity: c.op,
					filter: "alpha(opacity="+c.op*100+")"
				}).hover(function(){
				$(this).css({
					opacity: c.oa,
					filter: "alpha(opacity="+c.oa*100+")"
				});
				$(this).fadeTo(c.durationp,c.op);
			},function(){
				$(this).css({
					opacity: c.op,
					filter: "alpha(opacity="+c.op*100+")"
				});
			})
		});
	}
	
})(jQuery);