var Drag={

    "obj":null,

	"init":function(handle, dragBody, e){

		if (e == null) {

			handle.onmousedown=Drag.start;

		}

		

		handle.root = dragBody;

		if(isNaN(parseInt(handle.root.style.left)))handle.root.style.left="0px";

		if(isNaN(parseInt(handle.root.style.top)))handle.root.style.top="0px";

		handle.root.onDragStart=new Function();

		handle.root.onDragEnd=new Function();

		handle.root.onDrag=new Function(); 

		if (e !=null) {

			var handle=Drag.obj=handle;

			e=Drag.fixe(e);

			var top=parseInt(handle.root.style.top);

			var left=parseInt(handle.root.style.left);

			handle.root.onDragStart(left,top,e.pageX,e.pageY);

			handle.lastMouseX=e.pageX;

			handle.lastMouseY=e.pageY;

			document.onmousemove=Drag.drag;

			document.onmouseup=Drag.end;

		}

	},

	"start":function(e){ 

		var handle=Drag.obj=this;

		e=Drag.fixEvent(e);

		var top=parseInt(handle.root.style.top);

		var left=parseInt(handle.root.style.left);

		handle.root.onDragStart(left,top,e.pageX,e.pageY);

		handle.lastMouseX=e.pageX;

		handle.lastMouseY=e.pageY;

		handle.offsetX = e.offsetX;

		handle.offsetY = e.offsetY;

		 

		var spanAll=$(handle.root.parentNode).find("span[class='icons icon-checked']");

		for(var i=0;i<spanAll.length;i++){

			var itemDiv=spanAll[i].parentNode;

			var top=parseInt(itemDiv.style.top);

		    var left=parseInt(itemDiv.style.left);

		    itemDiv.onDragStart(left,top,e.pageX,e.pageY);

		    

		    var h3=$(itemDiv).find("h3")[0];

		    h3.lastMouseX=e.pageX;

		    h3.lastMouseY=e.pageY;

		    h3.offsetX = e.offsetX;

		    h3.offsetY = e.offsetY;

			

		} 

		document.onmousemove=Drag.drag;

		document.onmouseup=Drag.end;

		return false;

	},	

	"drag":function(e){ 

		e=Drag.fixEvent(e);

		var handle=Drag.obj;

		var mouseY=e.pageY;

		var mouseX=e.pageX;



		handle.root.style.left=mouseX+(mouseX-handle.lastMouseX)-handle.offsetX +"px";

		handle.root.style.top=mouseY+(mouseY-handle.lastMouseY)-16+"px";

		//console.info("mouseY:"+(mouseX)+"lastMouseY:"+handle.lastMouseY);



		var top=parseInt(handle.root.style.top);

		var left=parseInt(handle.root.style.left);

		var currentLeft,currentTop;

		currentLeft=left+mouseX-handle.lastMouseX;

		currentTop=top+mouseY-handle.lastMouseY;



		handle.lastMouseX=mouseX;

		handle.lastMouseY=mouseY;

		handle.root.onDrag(currentLeft,currentTop+handle.root.column.scrollTop,e.pageX,e.pageY);

		

		var spanAll=$(handle.root.parentNode).find("span[class='icons icon-checked']");

		for(var i=0;i<spanAll.length;i++){

			var itemDiv=spanAll[i].parentNode;

			var h3=$(itemDiv).find("h3")[0];

			

			itemDiv.style.left=mouseX+(mouseX-h3.lastMouseX)-h3.offsetX +"px";

		    itemDiv.style.top=mouseY+(mouseY-h3.lastMouseY)-16+"px";

		    

		    var top=parseInt(itemDiv.style.top);

		    var left=parseInt(itemDiv.style.left);

		    var currentLeft,currentTop;

		    currentLeft=left+mouseX-h3.lastMouseX;

		    currentTop=top+mouseY-h3.lastMouseY;

		    

            h3.lastMouseX=mouseX;

		    h3.lastMouseY=mouseY;

		    



		    itemDiv.onDrag(currentLeft,currentTop+itemDiv.column.scrollTop,e.pageX,e.pageY);

		}

		

		return false;

	},

	"end":function(e){  

		

		var divlist = document.getElementById("second").getElementsByTagName("div");

		 

		for(var i=0;i<divlist.length;i++){

				var classname = $(divlist[i]).attr("class");

				var tdname = $(divlist[i]).attr("tdname");

				//console.info("class:"+classname+";n:"+tdname);

				if((classname=="column"||$(divlist[i]).hasClass("column"))&&tdname=="1"){

					

					var childs = $(divlist[i]).find("div");

					//var childs = divlist[i].childNodes;

					console.info("length:"+childs.length);

					if(childs.length-1<1){

						divlist[i].style.height = 50+"px";

					}else{

						divlist[i].style.height="auto";

					}

				}

		}

		e=Drag.fixEvent(e); 

		var mouseY=e.pageY;

		var mouseX=e.pageX;

		document.onmousemove=null;

		document.onmouseup=null;

		

		var spanAll=$(Drag.obj.root.parentNode).find("span[class='icons icon-checked']");

		for(var i=0;i<spanAll.length;i++){

			var itemDiv=spanAll[i].parentNode;

			itemDiv.onDragEnd(parseInt(Drag.obj.root.style.left),parseInt(Drag.obj.root.style.top),mouseX,mouseY);

		}

		

		Drag.obj.root.onDragEnd(parseInt(Drag.obj.root.style.left),parseInt(Drag.obj.root.style.top),mouseX,mouseY);

		Drag.obj=null;

	},

	"fixEvent":function(e){

		if(typeof e=="undefined")e=window.event;

		return e;

	}

};