function opacity(a,b,c,d){var e=Math.round(d/100);var f=0;if(b>c){for(i=b;i>=c;i--){setTimeout("changeOpac("+i+",'"+a+"')",(f*e));f++}}else if(b<c){for(i=b;i<=c;i++){setTimeout("changeOpac("+i+",'"+a+"')",(f*e));f++}}}function changeOpac(a,b){var c=document.getElementById(b).style;c.opacity=(a/100);c.MozOpacity=(a/100);c.KhtmlOpacity=(a/100);c.filter="alpha(opacity="+a+")"}function shiftOpacity(a,b){if(document.getElementById(a).style.opacity==0){opacity(a,0,100,b)}else{opacity(a,100,0,b)}}function blendimage(a,b,c,d){var e=Math.round(d/100);var f=0;document.getElementById(a).style.backgroundImage=document.getElementById(b).style.backgroundImage;changeOpac(0,b);document.getElementById(b).style.backgroundImage="url('"+c+"')";for(i=0;i<=100;i++){setTimeout("changeOpac("+i+",'"+b+"')",(f*e));f++}}function d(a,b,c){var d=100;if(document.getElementById(a).style.opacity<100){d=document.getElementById(a).style.opacity*100}opacity(a,d,b,c)}