/*
 * JTip
 * By Cody Lindley (http://www.codylindley.com)
 * Under an Attribution, Share Alike License
 * JTip is built on top of the very light weight jquery library.
 */

//提示层地址
var tip_url = "http://" +window.location.host + "/userInfoTip.action";

//on page load (as soon as its ready) call JT_init
//$(document).ready(JT_init('jTip'));
$(document).ready(function(){
	JT_init('jTip');
});

function JT_init(jt_className){
	   $("a."+jt_className)
	   .hover(function(){JT_show(this.href,this.id,this.rel)},function(){$('#JT').remove()})
           .click(function(){return true});	   
}

function JT_show(url,linkId,user_info){
	if(user_info == false)user_info="{tipuid:0,tipuname:''}";
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var h = document.body.scrollHeight;	
	var oTop = $('#'+linkId+">img").offset().top
	var oLeft = $('#'+linkId+">img").offset().left	
	var oHeight = $('#'+linkId+">img").outerWidth()
	var oWidth = $('#'+linkId+">img").outerHeight()		
	var queryString = url.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );
	var hasAreaH = w-oLeft-oWidth	//Get Horizontal Area
	var hasAreaV = h-oTop-oHeight;	//Get Vertical Area	
	if(params['link'] !== undefined){
	$('#' + linkId).bind('click',function(){window.location = params['link']});
	$('#' + linkId).css('cursor','pointer');
	}
	
	//确定层的方位（左上、右上、左下、右下）
	var dirH='left'
	var dirV='up'
	if(hasAreaH>270){dirH = 'right'}	
	if(hasAreaV>178){dirV = 'down'}	
	switch(dirV+'-'+dirH){
		case 'up-left':
			$("body").append("<div id='JT' class='JT_up_left'><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
			var jtWidth = $('#JT').outerWidth()
			var jtHeight = $('#JT').outerHeight()
			var clickElementx = oLeft - jtWidth+5; //set x position
			var clickElementy = oTop - jtHeight+oHeight; //set y position					
			break;
		case 'down-left':
			$("body").append("<div id='JT' class='JT_down_left'><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
			var jtWidth = $('#JT').outerWidth()
			var clickElementx = oLeft - jtWidth+5; //set x position
			var clickElementy = oTop; //set y position
			break;
		case 'up-right':
			$("body").append("<div id='JT' class='JT_up_right'><div id='JT_copy'><div class='JT_loader'><div></div></div>");//right side
			var jtHeight = $('#JT').outerHeight()
			var clickElementx = oLeft + oWidth + 1
			var clickElementy = oTop - jtHeight+oHeight; //set y position	
			break;
		case 'down-right':
			$("body").append("<div id='JT' class='JT_down_right'><div id='JT_copy'><div class='JT_loader'><div></div></div>");//right side
			var clickElementx = oLeft + oWidth + 1  //set x position
			var clickElementy = oTop; //set y position
			break;
		default:
			$("body").append("<div id='JT' class='JT_up_left'><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
			var jtWidth = $('#JT').outerWidth()
			var jtHeight = $('#JT').outerHeight()
			var clickElementx = oLeft - jtWidth+5; //set x position
			var clickElementy = oTop - jtHeight+oHeight; //set y position		
			break;
	}
	
	if(params['tipuid'] === undefined){
		params['tipuid'] = user_info.substring(0,user_info.indexOf('-'))
	}
	if(params['tipuname'] === undefined){
		params['tipuname'] = user_info.slice(user_info.indexOf('-')+1)
	}

	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show();	
	$('#JT_copy').load(tip_url,{"tipuid":params['tipuid'],"tipuname":unescape(params['tipuname'])});
}

function parseQuery ( query ) {
   var Params = new Object ();
   if ( ! query ) return Params; // return empty object
   var Pairs = query.split(/[;&]/);
   for ( var i = 0; i < Pairs.length; i++ ) {
      var KeyVal = Pairs[i].split('=');
      if ( ! KeyVal || KeyVal.length != 2 ) continue;
      var key = unescape( KeyVal[0] );
      //var val = unescape( KeyVal[1] );
      try{
     	KeyVal[1] = decodeURI(KeyVal[1])
      }catch(e){
      }
      var val = unescape( KeyVal[1] );
      val = val.replace(/\+/g, ' ');
      Params[key] = val;
   }
   return Params;
}

function blockEvents(evt) {
              if(evt.target){
              evt.preventDefault();
              }else{
              evt.returnValue = false;
              }
}