function previous(){d=document;startID=(arguments[0])?arguments[0]:'startSlideNumber';endID=(arguments[1])?arguments[1]:'endSlideNumber';abbr=(arguments[2])?arguments[2]:'s';startNum=d.getElementById(startID).value*1;endNum=d.getElementById(endID).value*1;if(startNum>1){d.getElementById(startID).value=startNum-1;d.getElementById(endID).value=endNum-1;opacity(abbr+endNum,100,0,500);d.getElementById(abbr+endNum).style.display="none";d.getElementById(abbr+(startNum-1)).style.display="block";opacity(abbr+(startNum-1),0,100,500);}}
function next(slideCount){d=document;startID=(arguments[1])?arguments[1]:'startSlideNumber';endID=(arguments[2])?arguments[2]:'endSlideNumber';abbr=(arguments[3])?arguments[3]:'s';startNum=d.getElementById(startID).value*1;endNum=d.getElementById(endID).value*1;if(endNum<slideCount){d.getElementById(startID).value=startNum+1;d.getElementById(endID).value=endNum+1;opacity(abbr+startNum,100,0,500);d.getElementById(abbr+startNum).style.display="none";d.getElementById(abbr+(endNum+1)).style.display="block";opacity(abbr+(endNum+1),0,100,500);}}
function changeImage(id,id2,val,img1,img2){d=document;d.getElementById(id).src=(d.getElementById(id2).value==val)?img1:img2;}
function changeBox(){d=document;argLength=arguments.length;mainID=arguments[0];for(var i=1;i<argLength;i++){opacity(arguments[i],100,0,500);d.getElementById(arguments[i]).style.display="none";}
d.getElementById(mainID).style.display="block";opacity(mainID,0,100,500);}
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)}