var o_left;
var start = 828;
var end = 565;
$(document).ready(
	function()
	{
		$('#insideParent').Draggable(
			{
			    onChange:ch,
                zIndex: 	1000,
				ghosting:	false,
				opacity: 	0.7,
				containment : 'parent'
			}
		);
		
		var imageinfo = eval('('+$.cookie('chinavisual_imageid'+aid)+')');
		if(imageinfo){
		        $("#out_count").html(imageinfo.count);
                $("#out_text").html("你对此作品的评价是："+"<span style='color:#e00000'>"+imageinfo.value+"</span>");
                $("#insideParent").css({left:imageinfo.left});
		}else{
			    //$("#parentElem").css({text-align:"center"});
		}
        o_left = $("#parentElem").offset().left;
	}

);

var ch = function a(){
        var self = $(this);
        var offset = self.offset();
        var left = offset.left;
        var top = offset.top;
        var r = back(left+0.02);
        dig(r);
    }

function dig(r){
    var url = app+"/site/image_lib/evaluate";
    $.get(url,{aid:aid,count:r},function(result){
        var v = eval("("+result+")");
        //alert(v.data.msg);
    });
}
function back(put){
    var a= 10*(put-o_left)/(start-end);
    var html_value = a.toFixed(1);
    var info;
    if(html_value<0){
        htm_value = 0.0;
    }
    if(html_value>10){
        htm_value = 10.0;
    }
    
    if(html_value<=2){
        info = "太难看!";
    }else if(2<html_value && html_value<=4){
        info = "没感觉!";
    }else if(4<html_value && html_value<=6){
        info = "很喜欢!";
    }else if(6<html_value && html_value<=8){
        info = "太棒了!";
    }else if(8<html_value){
        info = "爱死了!";
    }
    //alert(html_value);
    $("#out_count").html(html_value);
    $("#out_text").html("你对此作品的评价是："+"<span style='color:#e00000'>"+info+"</span>");
    return html_value;
}