function setRollovers(opts){if(!opts){opts={}}opts.rolloverClass=opts.rolloverClass||"imgover";opts.defaultRolloverImageSuffix=opts.defaultRolloverImageSuffix||"_ov";var targetImageIdSuffixRe=new RegExp("_"+opts.rolloverClass+"$");setRolloversByTagName("img",function(image){return(true)});setRolloversByTagName("input",function(input){return(input.type=="image")});function setRolloversByTagName(targetTag,isRolloverObject){var aImages=document.getElementsByTagName(targetTag);for(var i=0,n=aImages.length;i<n;i++){var image=aImages[i];if(!image.className){continue}if(!getRolloverClass(image)){continue}if(!isRolloverObject(image)){continue}if(image.useMap){setRolloversClickableMap(image);continue}setRollover(image)}}function getRolloverClass(anObject){var rolloverClassRe=new RegExp("^("+opts.rolloverClass+")(.*)");if(!anObject.className){return null}var classNames=anObject.className.split(" ");for(var i=0,n=classNames.length;i<n;i++){var classNameElements=classNames[i].match(rolloverClassRe);if(classNameElements){return classNameElements}}return null}function setRolloversClickableMap(image){var mapId=image.useMap.match(/^\#(.*)/)[1];var areas=document.getElementsByName(mapId).item(0).areas;for(var i=0,n=areas.length;i<n;i++){if(getRolloverClass(areas[i])){setRollover(image,areas[i])}}}function setRollover(targetImage,eventCaptureObject){var src=targetImage.src;var targetImageId=targetImage.getAttribute("id")||"";var eventCaptureId=(targetImageId.match(targetImageIdSuffixRe))?targetImageId.replace(targetImageIdSuffixRe,""):"";eventCaptureObject=document.getElementById(eventCaptureId)||eventCaptureObject||targetImage;var rolloverImageSuffix=getRolloverClass(eventCaptureObject)[2]||opts.defaultRolloverImageSuffix;var ftype=src.substring(src.lastIndexOf("."),src.length);var hsrc=src.replace(ftype,rolloverImageSuffix+ftype);var mouseoverImage=new Image();var mouseoutImage=new Image();mouseoverImage.src=hsrc;mouseoutImage.src=src;eventCaptureObject.onmouseover=function(){targetImage.src=hsrc};eventCaptureObject.onmouseout=function(){targetImage.src=src}}};