var Screen={getWidth:function(){width=0;if(window.innerWidth){this.width=window.innerWidth;}else{if(document.documentElement&&document.documentElement.clientWidth){width=document.documentElement.clientWidth;}else{if(document.body&&document.body.clientWidth){width=document.body.clientWidth;}}}return width;},getHeight:function(){height=0;if(window.innerHeight){this.height=window.innerHeight;}else{if(document.documentElement&&document.documentElement.clientHeight){height=document.documentElement.clientHeight;}else{if(document.body&&document.body.clientHeight){height=document.body.clientHeight;}}}return height;},getScrollX:function(){scrollX=0;if(typeof window.pageXOffset=="number"){scrollX=window.pageXOffset;}else{if(document.documentElement&&document.documentElement.scrollLeft){scrollX=document.documentElement.scrollLeft;}else{if(document.body&&document.body.scrollLeft){scrollX=document.body.scrollLeft;}else{if(window.scrollX){scrollX=window.scrollX;}}}}return scrollX;},getScrollY:function(){scrollY=0;if(typeof window.pageYOffset=="number"){scrollY=window.pageYOffset;}else{if(document.documentElement&&document.documentElement.scrollTop){scrollY=document.documentElement.scrollTop;}else{if(document.body&&document.body.scrollTop){scrollY=document.body.scrollTop;}else{if(window.scrollY){scrollY=window.scrollY;}}}}return scrollY;}};