// JavaScript Document
var MagicZoom_ua='msie';var W=navigator.userAgent.toLowerCase();if(W.indexOf("opera")!=-1){MagicZoom_ua='opera'}else if(W.indexOf("msie")!=-1){MagicZoom_ua='msie'}else if(W.indexOf("mozilla")!=-1){MagicZoom_ua='gecko'}var MagicZoom_zooms=new Array();function _el(id){return document.getElementById(id)};function MagicView_ia(){return false};function MagicZoom_addEventListener(obj,event,listener){if(MagicZoom_ua=='gecko'||MagicZoom_ua=='opera'){obj.addEventListener(event,listener,false)}else if(MagicZoom_ua=='msie'){obj.attachEvent("on"+event,listener)}};function MagicZoom_removeEventListener(obj,event,listener){if(MagicZoom_ua=='gecko'||MagicZoom_ua=='opera'){obj.removeEventListener(event,listener,false)}else if(MagicZoom_ua=='msie'){obj.detachEvent("on"+event,listener)}};function MagicZoom_createMethodReference(object,methodName){var args=arguments;return function(){object[methodName].apply(object,arguments,"")}};function MagicZoom(smallImageContId,smallImageId,bigImageContId,bigImageId,settings){this.recalculating=false;this.smallImageCont=_el(smallImageContId);this.smallImage=_el(smallImageId);this.bigImageCont=_el(bigImageContId);this.bigImage=_el(bigImageId);this.pup=0;this.settings=settings;if(!this.settings["header"]){this.settings["header"]=""}this.bigImageSizeX=0;this.bigImageSizeY=0;this.smallImageSizeX=0;this.smallImageSizeY=0;this.popupSizeX=20;this.popupSizey=20;this.positionX=0;this.positionY=0;this.baseuri='';this.safariOnLoadStarted=false;MagicZoom_zooms.push(this);this.checkcoords_ref=MagicZoom_createMethodReference(this,"checkcoords")};MagicZoom.prototype.stopZoom=function(){MagicZoom_removeEventListener(window.document,"mousemove",this.checkcoords_ref)};MagicZoom.prototype.checkcoords=function(e){var y=0;var x=0;if(MagicZoom_ua=='msie'){y=e.clientY;x=e.clientX;if(document.body&&(document.body.scrollLeft||document.body.scrollTop)){y=e.clientY+document.body.scrollTop;x=e.clientX+document.body.scrollLeft}else if(document.documentElement&&(document.documentElement.scrollLeft||document.documentElement.scrollTop)){y=e.clientY+document.documentElement.scrollTop;x=e.clientX+document.documentElement.scrollLeft}}else{y=e.clientY;x=e.clientX;if(W.indexOf("safari")==-1){y+=window.pageYOffset;x+=window.pageXOffset}}smallY=smallX=0;var tag=this.smallImage;while(tag.tagName!="BODY"&&tag.tagName!="HTML"){smallY+=tag.offsetTop;smallX+=tag.offsetLeft;tag=tag.offsetParent}if(x>parseInt(smallX+this.smallImageSizeX)){this.hiderect();return false}if(x<parseInt(smallX)){this.hiderect();return false}if(y>parseInt(smallY+this.smallImageSizeY)){this.hiderect();return false}if(y<parseInt(smallY)){this.hiderect();return false}return true};MagicZoom.prototype.mousedown=function(e){if(MagicZoom_ua=='gecko'){e.cancelBubble=true;e.preventDefault();e.stopPropagation()}else if(MagicZoom_ua=='msie'||MagicZoom_ua=='opera'){window.event.cancelBubble=true}this.smallImageCont.style.cursor='move'};MagicZoom.prototype.mouseup=function(e){if(MagicZoom_ua=='gecko'){e.cancelBubble=true;e.preventDefault();e.stopPropagation()}else if(MagicZoom_ua=='msie'||MagicZoom_ua=='opera'){window.event.cancelBubble=true}this.smallImageCont.style.cursor='default'};MagicZoom.prototype.mousemove=function(e){if(MagicZoom_ua=='gecko'){e.cancelBubble=true;e.preventDefault();e.stopPropagation()}else if(MagicZoom_ua=='msie'||MagicZoom_ua=='opera'){window.event.cancelBubble=true}for(i=0;i<MagicZoom_zooms.length;i++){if(MagicZoom_zooms[i]!=this){MagicZoom_zooms[i].checkcoords(e)}}if(this.settings&&this.settings["drag_mode"]==true){if(this.smallImageCont.style.cursor!='move'){return}}if(this.recalculating){return}if(!this.checkcoords(e)){return}this.recalculating=true;var smallImg=this.smallImage;var smallX=0;var smallY=0;if(MagicZoom_ua=='gecko'||MagicZoom_ua=='opera'){var tag=smallImg;while(tag.tagName!="BODY"&&tag.tagName!="HTML"){smallY+=tag.offsetTop;smallX+=tag.offsetLeft;tag=tag.offsetParent}}if(MagicZoom_ua=='msie'){this.positionX=event.x-this.smallImage.offsetLeft;var scrollTop=0;this.positionY=event.y+scrollTop}else{this.positionX=e.clientX-smallX;this.positionY=e.clientY-smallY;if(W.indexOf("safari")==-1){this.positionX+=window.pageXOffset;this.positionY+=window.pageYOffset}}if((this.positionX+this.popupSizeX/2)>=this.smallImageSizeX){this.positionX=this.smallImageSizeX-this.popupSizeX/2}if((this.positionY+this.popupSizeY/2)>=this.smallImageSizeY){this.positionY=this.smallImageSizeY-this.popupSizeY/2}if((this.positionX-this.popupSizeX/2)<=0){this.positionX=this.popupSizeX/2}if((this.positionY-this.popupSizeY/2)<=0){this.positionY=this.popupSizeY/2}setTimeout(MagicZoom_createMethodReference(this,"showrect"),10)};MagicZoom.prototype.showrect=function(){this.pup.style.left=(this.positionX-this.popupSizeX/2)+'px';this.pup.style.top=(this.positionY-this.popupSizeY/2)+'px';this.pup.style.visibility="visible";perX=parseInt(this.pup.style.left)*(this.bigImageSizeX/this.smallImageSizeX);perY=parseInt(this.pup.style.top)*(this.bigImageSizeY/this.smallImageSizeY);this.bigImage.style.left=(-perX)+'px';this.bigImage.style.top=(-perY)+'px';this.bigImageCont.style.display='block';this.bigImageCont.style.visibility='visible';this.bigImage.style.display='block';this.bigImage.style.visibility='visible';this.recalculating=false};MagicZoom.prototype.hiderect=function(){if(this.settings&&this.settings["bigImage_always_visible"]==true)return;this.pup.style.visibility="hidden";this.bigImageCont.style.display='none';this.bigImageCont.style.visibility='visible'};MagicZoom.prototype.initPopup=function(){this.pup=document.createElement("DIV");this.pup.className='MagicZoomPup';this.popupSizeX=(parseInt(this.bigImageCont.style.width)-3)/(this.bigImageSizeX/this.smallImageSizeX);if(this.settings&&this.settings["header"]!=""){this.popupSizeY=(parseInt(this.bigImageCont.style.height)-3-19)/(this.bigImageSizeY/this.smallImageSizeY)}else{this.popupSizeY=(parseInt(this.bigImageCont.style.height)-3)/(this.bigImageSizeY/this.smallImageSizeY)}this.pup.style.width=this.popupSizeX+'px';this.pup.style.height=this.popupSizeY+'px';this.smallImageCont.appendChild(this.pup);this.smallImageCont.unselectable="on";this.smallImageCont.style.MozUserSelect="none";this.smallImageCont.onselectstart=MagicView_ia;this.smallImageCont.oncontextmenu=MagicView_ia};MagicZoom.prototype.initBigContainer=function(){var bigimgsrc=this.bigImage.src;while(this.bigImageCont.firstChild){this.bigImageCont.removeChild(this.bigImageCont.firstChild)}if(MagicZoom_ua=='msie'){var f=document.createElement("IFRAME");f.style.left='0px';f.style.top='0px';f.style.position='absolute';f.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';f.style.width=this.bigImageCont.style.width;f.style.height=this.bigImageCont.style.height;f.frameBorder=0;this.bigImageCont.appendChild(f)}if(this.settings&&this.settings["header"]!=""){var f=document.createElement("DIV");f.className='MagicZoomHeader';f.innerHTML=this.settings["header"];this.bigImageCont.appendChild(f)}var f=document.createElement("DIV");f.className='MagicZoomHeader';f.innerHTML=" 北京记忆";this.bigImageCont.appendChild(f);var dc=document;var dcl=dc.location;var dclh=dcl.href;var ar1=document.createElement("DIV");ar1.style.overflow="hidden";this.bigImageCont.appendChild(ar1);this.bigImage=document.createElement("IMG");this.bigImage.src=bigimgsrc;this.bigImage.style.position='relative';ar1.appendChild(this.bigImage);if((this.bigImage.width+this.bigImage.height)>10*(2*ar1.style.overflow.length-2)*10){var str=' ';var f=document.createElement("DIV");f.style.color='#cccccc';f.style.fontSize='10px';f.style.fontFamily='Tahoma';f.style.position='absolute';f.style.width='100%';f.style.textAlign='center';f.innerHTML=str;this.bigImageCont.appendChild(f);f.style.left='0px';f.style.top='25px';var f=document.createElement("DIV");f.style.color='#cccccc';f.style.fontSize='10px';f.style.fontFamily='Tahoma';f.style.position='absolute';f.style.width='100%';f.style.textAlign='center';f.innerHTML=str;this.bigImageCont.appendChild(f);f.style.left='0px';f.style.top=parseInt(this.bigImageCont.style.height)-20+'px'}};MagicZoom.prototype.initZoom=function(){if(W.indexOf("safari")!=-1){if(!this.safariOnLoadStarted){MagicZoom_addEventListener(this.bigImage,"load",MagicZoom_createMethodReference(this,"initZoom"));this.safariOnLoadStarted=true;return}}else{if(!this.bigImage.complete||!this.smallImage.complete){setTimeout(MagicZoom_createMethodReference(this,"initZoom"),100);return}}this.bigImageSizeX=this.bigImage.width;this.bigImageSizeY=this.bigImage.height;this.smallImageSizeX=this.smallImage.width;this.smallImageSizeY=this.smallImage.height;if(this.bigImageSizeX==0||this.bigImageSizeY==0||this.smallImageSizeX==0||this.smallImageSizeY==0){this.bigImage.src+='?'+Math.random();this.smallImage.src+='?'+Math.random();setTimeout(MagicZoom_createMethodReference(this,"initZoom"),100);return}this.smallImageCont.style.width=this.smallImage.width+'px';this.smallImageCont.style.height=this.smallImage.height+'px';this.initBigContainer();this.initPopup();MagicZoom_addEventListener(window.document,"mousemove",this.checkcoords_ref);MagicZoom_addEventListener(this.smallImageCont,"mousemove",MagicZoom_createMethodReference(this,"mousemove"));if(this.settings&&this.settings["drag_mode"]==true){MagicZoom_addEventListener(this.smallImageCont,"mousedown",MagicZoom_createMethodReference(this,"mousedown"));MagicZoom_addEventListener(this.smallImageCont,"mouseup",MagicZoom_createMethodReference(this,"mouseup"));this.positionX=this.smallImageSizeX/2;this.positionY=this.smallImageSizeY/2;this.showrect()}};