/*******************************************************************
* File    : JSFX_ImageFadeSwap.js (c) JavaScript-FX.com
* Created : 2001/08/31
* Author  : Roy Whittle  (Roy@Whittle.com) www.Roy.Whittle.com
* Purpose : To create a more dynamic image swap using opacity
***********************************************************************/
var FadeInStep=30;var FadeOutStep=5;document.write('<STYLE TYPE="text/css">.imgFader{ position:relative; filter:alpha(opacity=0); -moz-opacity:0.0 }</STYLE>');if(!window.JSFX){JSFX=new Object()}JSFX.RolloverObjects=new Array();JSFX.Rollover=function(name,img){JSFX.RolloverObjects[name]=new Image();JSFX.RolloverObjects[name].img_src=img;if(!JSFX.Rollover.postLoad){JSFX.RolloverObjects[name].src=img}};JSFX.Rollover.postLoad=false;JSFX.Rollover.loadImages=function(){var i;for(i in JSFX.RolloverObjects){r=JSFX.RolloverObjects[i];r.src=r.img_src}};JSFX.Rollover.error=function(n){alert('JSFX.Rollover - An Error has been detected\n----------------------------------\nYou must define a JSFX.Rollover in your document\nJSFX.Rollover("'+n+'","your_on_img.gif")\n(check the spelling of your JSFX.Rollovers)')};JSFX.getImg=function(n,d){var img=d.images[n];if(!img&&d.layers){for(var i=0;!img&&i<d.layers.length;i++){img=JSFX.getImg(n,d.layers[i].document)}}return img};JSFX.findImg=function(n,d){var img=JSFX.getImg(n,d);if(!img){alert('JSFX.findImg - An Error has been detected\n----------------------------------\nYou must define an image in your document\n<IMG SRC="your_image.ext" NAME="'+n+'">\n(check the NAME= attribute of your images)');return(new Image())}return img};JSFX.ImageFadeRunning=false;JSFX.ImageFadeInterval=30;JSFX.imgFadeIn=function(img,imgSrc){if(img){if(img.state==null){img.state="OFF";img.index=0;img.next_on=null}if(img.state=="OFF"){if(img.src.indexOf(imgSrc)==-1){img.src=imgSrc}img.currSrc=imgSrc;img.state="FADE_IN";JSFX.startFading()}else{if(img.state=="FADE_IN_OUT"||img.state=="FADE_OUT_IN"||img.state=="FADE_OUT"){if(img.currSrc==imgSrc){img.state="FADE_IN"}else{img.next_on=imgSrc;img.state="FADE_OUT_IN"}}}}};JSFX.imgFadeOut=function(img){if(img){if(img.state=="ON"){img.state="FADE_OUT";JSFX.startFading()}else{if(img.state=="FADE_IN"){img.state="FADE_IN_OUT"}else{if(img.state=="FADE_OUT_IN"){img.next_on==null;img.state="FADE_OUT"}}}}};JSFX.startFading=function(){if(!JSFX.ImageFadeRunning){JSFX.ImageFadeAnimation()}};JSFX.ImageFadeAnimation=function(){JSFX.ImageFadeRunning=false;for(i=0;i<document.images.length;i++){var img=document.images[i];if(img.state){if(img.state=="FADE_IN"){img.index+=FadeInStep;if(img.index>100){img.index=100}if(img.filters){img.filters.alpha.opacity=img.index}else{img.style.MozOpacity=img.index/101}if(img.index==100){img.state="ON"}else{JSFX.ImageFadeRunning=true}}else{if(img.state=="FADE_IN_OUT"){img.index+=FadeInStep;if(img.index>100){img.index=100}if(img.filters){img.filters.alpha.opacity=img.index}else{img.style.MozOpacity=img.index/101}if(img.index==100){img.state="FADE_OUT"}JSFX.ImageFadeRunning=true}else{if(img.state=="FADE_OUT"){img.index-=FadeOutStep;if(img.index<0){img.index=0}if(img.filters){img.filters.alpha.opacity=img.index}else{img.style.MozOpacity=img.index/101}if(img.index==0){img.state="OFF"}else{JSFX.ImageFadeRunning=true}}else{if(img.state=="FADE_OUT_IN"){img.index-=FadeOutStep;if(img.index<0){img.index=0}if(img.filters){img.filters.alpha.opacity=img.index}else{img.style.MozOpacity=img.index/101}if(img.index==0){img.src=img.next_on;img.currSrc=img.next_on;img.state="FADE_IN"}JSFX.ImageFadeRunning=true}}}}}}if(JSFX.ImageFadeRunning){setTimeout("JSFX.ImageFadeAnimation()",JSFX.ImageFadeInterval)}};JSFX.hasOpacity=function(obj){if(document.layers){return false}if(window.opera){return false}if(navigator.userAgent.toLowerCase().indexOf("mac")!=-1){return false}return true};JSFX.fadeIn=function(imgName,rollName){if(rollName==null){rollName=imgName}if(!JSFX.RolloverObjects[rollName]){JSFX.Rollover.error(rollName);return}var img=JSFX.findImg(imgName,document);if(JSFX.hasOpacity(img)){JSFX.imgFadeIn(img,JSFX.RolloverObjects[rollName].img_src)}else{if(img.offSrc==null){img.offSrc=img.src}img.src=JSFX.RolloverObjects[rollName].img_src}};JSFX.fadeOut=function(imgName){var img=JSFX.findImg(imgName,document);if(JSFX.hasOpacity(img)){JSFX.imgFadeOut(img)}else{img.src=img.offSrc}};JSFX.imgOn=function(imgName,rollName){if(rollName==null){rollName=imgName}if(!JSFX.RolloverObjects[rollName]){JSFX.Rollover.error(rollName);return}var img=JSFX.findImg(imgName,document);if(img.offSrc==null){img.offSrc=img.src}img.src=JSFX.RolloverObjects[rollName].img_src};JSFX.imgOff=function(imgName){var img=JSFX.findImg(imgName,document);img.src=img.offSrc};
JSFX.Rollover("home2","http://econweb.tamu.edu/images/home2.gif");
JSFX.Rollover("aboutus2","http://econweb.tamu.edu/images/aboutus2.gif");
JSFX.Rollover("people2","http://econweb.tamu.edu/images/people2.gif");
JSFX.Rollover("graduate2","http://econweb.tamu.edu/images/graduate2.gif");
JSFX.Rollover("undergrad2","http://econweb.tamu.edu/images/undergrad2.gif");
JSFX.Rollover("courses2","http://econweb.tamu.edu/images/courses2.gif");
JSFX.Rollover("workshops2","http://econweb.tamu.edu/images/workshops2.gif");
JSFX.Rollover("papers2","http://econweb.tamu.edu/images/papers2.gif");
JSFX.Rollover("links2","http://econweb.tamu.edu/images/links2.gif");
JSFX.Rollover("admin2","http://econweb.tamu.edu/images/admin2.gif");
JSFX.Rollover("galleryNew2","http://econweb.tamu.edu/images/gallerynew2.gif");
JSFX.Rollover("jobCandidates2","http://econweb.tamu.edu/images/jobcandidates2.gif");
JSFX.Rollover("mailLogo2","http://econweb.tamu.edu/images/maillogo2.gif");
JSFX.Rollover("howdyLogo2","http://econweb.tamu.edu/images/howdy2.gif");