/*修改内容：
由于jtip是将提示信息，用异步html代码方式返回的，所有的内容都写在了href上，我个人认为这样herf很臃肿。
同时，如果href里有?会出错。
但是，我有时候真是要写成这个样子<a href="**.aspx?id=**"></a>，报错是不允许的啊，所以就干脆把href里面的异步功能都放在了ref里。
[注意这里用的是rel，起初是想用title的，但是title也是提示，两个提示很难看，于是改成了rel]
*/
//页面加载完成时候，调用JT_inint
$(document).ready(JT_init);

function JT_init(){
	       $("a.jTip")
		   .hover(function(){JT_show(this.rel,this.id,this.name)},function(){$('#JT').remove()})
           //.click(function(){return false});	/*这里被kkai注释掉，因为我需要href连接提交*/   
}

function JT_show(rel,linkId,title){
	if(title == false)title="&nbsp;";
	
	
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var hasArea = w - getAbsoluteLeft(linkId);
	var clickElementy = getAbsoluteTop(linkId) - 3; //set y position
	
	var queryString = rel.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );
	if(params['width'] === undefined){params['width'] = 250};
	//if(params['link'] !== undefined){
		/*这里被kkai注释掉，我不需要在rel里添加，我不需要onclick window.location*/
	//$('#' + linkId).bind('click',function(){window.location = params['link']});
	//$('#' + linkId).css('cursor','pointer');
	//}
	$("body").append("<iframe id='hideBack' style='top:0px; left:0px; width:"+params['width']+";height:400px;position:absolute;display:none;z-index:0;'></iframe>");

	if(hasArea>((params['width']*1)+75)){
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_left'></div><div id='JT_close_left'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//right side
		var arrowOffset = getElementWidth(linkId) + 11;
		var clickElementx = getAbsoluteLeft(linkId) + arrowOffset; //set x position
	}else{
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_right' style='left:"+((params['width']*1)+1)+"px'></div><div id='JT_close_right'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
		var clickElementx = getAbsoluteLeft(linkId) - ((params['width']*1) + 15); //set x position
	}
	
	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show();
	$('#JT_copy').load(rel);

}

function getElementWidth(objectId) {
	x = document.getElementById(objectId);
	return x.offsetWidth;
}

function getAbsoluteLeft(objectId) {
	// Get an object left position from the upper left viewport corner
	o = document.getElementById(objectId)
	oLeft = o.offsetLeft            // Get left position from the parent object
	while(o.offsetParent!=null) {   // Parse the parent hierarchy up to the document element
		oParent = o.offsetParent    // Get parent object reference
		oLeft += oParent.offsetLeft // Add parent left position
		o = oParent
	}
	return oLeft
}

function getAbsoluteTop(objectId) {
	// Get an object top position from the upper left viewport corner
	o = document.getElementById(objectId)
	oTop = o.offsetTop            // Get top position from the parent object
	while(o.offsetParent!=null) { // Parse the parent hierarchy up to the document element
		oParent = o.offsetParent  // Get parent object reference
		oTop += oParent.offsetTop // Add parent top position
		o = oParent
	}
	return oTop
}

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] );
      val = val.replace(/\+/g, ' ');
      Params[key] = val;
   }
   return Params;
}

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