function opacity(id,opacStart,opacEnd,millisec){var speed=Math.round(millisec/100);var timer=0;if(opacStart>opacEnd){for(i=opacStart;i>=opacEnd;i--){setTimeout("changeOpac("+i+",'"+id+"')",(timer*speed));timer++;}}else if(opacStart<opacEnd){for(i=opacStart;i<=opacEnd;i++){setTimeout("changeOpac("+i+",'"+id+"')",(timer*speed));timer++;}}}
function changeOpac(opacity,id){var object=document.getElementById(id).style;object.opacity=(opacity/100);object.MozOpacity=(opacity/100);object.KhtmlOpacity=(opacity/100);object.filter="alpha(opacity="+opacity+")";}
function shiftOpacity(id,millisec){if(document.getElementById(id).style.opacity==0){opacity(id,0,100,millisec);}else{opacity(id,100,0,millisec);}}
function blendimage(divid,imageid,imagefile,millisec){var speed=Math.round(millisec/100);var timer=0;document.getElementById(divid).style.backgroundImage="url("+document.getElementById(imageid).src+")";changeOpac(0,imageid);document.getElementById(imageid).src=imagefile;for(i=0;i<=100;i++){setTimeout("changeOpac("+i+",'"+imageid+"')",(timer*speed));timer++;}}
function currentOpac(id,opacEnd,millisec){var currentOpac=100;if(document.getElementById(id).style.opacity<100){currentOpac=document.getElementById(id).style.opacity*100;};opacity(id,currentOpac,opacEnd,millisec);}