maxHeight = blockOriginal.top + blockOriginal.height,
height = Math.min(maxHeight,blockOriginal.top + blockOriginal.height -(e.clientY-offset.top)-sTop);
}else{
var height = Math.min(e.clientY-offset.top-blockOriginal.top-blockOriginal.height+sTop,offset.height-blockOriginal.top-blockOriginal.height),
top = blockOriginal.top+blockOriginal.height;
}
return {height:height, top:top};
},
left : function(e){
var blockOriginal = this.blockOriginal,
offset = this.offset;
if(e.clientX – offset.left – blockOriginal.width – blockOriginal.left<=0){
var left = Math.max(e.clientX – offset.left,0),
width = Math.min(blockOriginal.left + blockOriginal.width,blockOriginal.left + blockOriginal.width -(e.clientX-offset.left));
}else{
var width = Math.min(e.clientX-offset.left-blockOriginal.left-blockOriginal.width,offset.width-blockOriginal.left-blockOriginal.width),
left = blockOriginal.left + blockOriginal.width;
}
return {left : left, width : width};
},
right : function(e){
var blockOriginal = this.blockOriginal,
offset = this.offset;
if(e.clientX-offset.left>=blockOriginal.left){
var width = Math.min(offset.width – blockOriginal.left,e.clientX – offset.left – blockOriginal.left),
left = blockOriginal.left;
}else{
var width = Math.min(offset.left + blockOriginal.left – e.clientX,blockOriginal.left),
left = Math.max(e.clientX – offset.left,0);
}
return {left : left, width : width};
},
rightDown : function(e){
return $.extend(this.right(e),this.down(e));
},
leftDown : function(e){
return $.extend(this.left(e),this.down(e));
},
rightUp : function(e){
return $.extend(this.right(e),this.up(e));
},
leftUp : function(e){
return $.extend(this.left(e),this.up(e));
},
getValue : function(){
var block = this.block;
return {
left : parseInt(block.css(“left”)),
