var jzoom=function(obj,args){this.args=args;this.zoomsrc=obj;this.little=$("#small");this.mover=$("#mover");this.large=$("#large");};jzoom.prototype={init:function(){var me=this;$(this.little).width($("img",$(this.little)).width());$(this.little).height($("img",$(this.little)).height());$(this.little).mouseenter(function(e){me.showIt(e,me);});$(this.little).mouseleave(function(e){me.hideIt(e,me);});$(this.mover).mouseenter(function(e){me.little.trigger("mouseenter");});$(this.mover).mousemove(function(e){me.moveIt(e,me);});},checkLimits:function(e,src){var scrpos=$(src).offset();var topLimit=scrpos.top;var bottomLimit=scrpos.top+$(src).height();var leftLimit=scrpos.left;var rightLimit=scrpos.left+$(src).width();var valid=true;if(e.pageY<topLimit||e.pageY>bottomLimit){valid=false;}if(e.pageX<leftLimit||e.pageX>rightLimit){valid=false;}return valid;},showIt:function(e,parent){$(parent.mover).css("display","block");this.scale=$("img",$(this.mover)).width()/$(this.little).width();var pos=$(parent.zoomsrc).offset();pos.top=e.pageY-pos.top-$(parent.mover).height()/2;pos.left=e.pageX-pos.left-$(parent.mover).width()/2;$(parent.mover).css({top:pos.top+"px",left:pos.left+"px"});},hideIt:function(e,parent){$(parent.mover).css("display","none");},moveIt:function(e,parent){if(parent.checkLimits(e,parent.little)){var pos=$(parent.zoomsrc).offset();pos.top=e.pageY-pos.top-$(parent.mover).height()/2;pos.left=e.pageX-pos.left-$(parent.mover).width()/2;$(parent.mover).css({top:pos.top+"px",left:pos.left+"px"});$(parent.large).css({top:-(pos.top)*parent.scale-$(parent.mover).height()/2+"px",left:-(pos.left)*parent.scale-$(parent.mover).width()/2+"px"});}else{parent.hideIt(e,parent);}},closeIt:function(e){}};