$(function(){
    var navs = $("#nav a");
    var cur_nav = $("#nav a.link").get(0);
    navs.mouseover(function(){
        var _self = this;
        navs.each(function(i){
            $(this).attr('class', this == _self ? 'link' : 'hover');
        });
    });
    navs.mouseout(function(){
        navs.each(function(i){
            $(this).attr('class', this == cur_nav ? 'link' : 'hover');
        });
    });
})


function getallcateshow(){
	$('#getallcate').show();
}
function getallcatehide(){
	$('#getallcate').hide();
}

var currenimame = 'one';

function changeimage(e,str,curent){
	
	var css ="";
	switch(str){
		case str='yyjc':
			css="shyp";
		break;
		case str='cmyy':
			css="pic_";
			break;
		case str='my':
			css="my";
		break;
		case str='fz':
			css="fz";
		break;
		
	}
	var cur= $('#centervalue').val();
	$('#'+str+'_'+cur).removeClass(css+"nav_on");
	$('#'+str+'_'+cur).addClass(css+"nav_off");;
	//$(this).addClass("shypnav_off");
	$('#'+str+'_'+e).removeClass(css+"nav_on");
	$('#'+str+'_'+e).removeClass(css+"nav_off");
	$('#'+str+'_'+e).addClass(css+"nav_on");
	//alert(cur);
	$('#img_'+cur).hide();
	$('#img_'+e).show();
	$('#centervalue').val(e);
	if(curent){
		switch(e){
		case e='one':
			currenimame="two";
		break;
		case e='two':
			currenimame="three";
			break;
		case e='three':
			currenimame="four";
			break;
		break;
		case e='four':
			currenimame="one";
		break;
		
	}
	setTimeout("changeimage('"+currenimame+"','"+str+"','true')",5000);
  }
 // alert(currenimame);
		
	
}