function opacity(f,d,a,b){var c=Math.round(b/100);var e=0;if(d>a){for(i=d;i>=a;i--){setTimeout("changeOpac("+i+",'"+f+"')",(e*c));e++}}else{if(d<a){for(i=d;i<=a;i++){setTimeout("changeOpac("+i+",'"+f+"')",(e*c));e++}}}return 1}function changeOpac(b,c){var a=document.getElementById(c).style;a.opacity=(b/100);a.MozOpacity=(b/100);a.KhtmlOpacity=(b/100);a.filter="alpha(opacity="+b+")"}function shiftOpacity(b,a){if(document.getElementById(b).style.opacity==0){opacity(b,0,100,a)}else{opacity(b,100,0,a)}}function blendimage(f,a,e,b){var c=Math.round(b/100);var d=0;document.getElementById(f).style.backgroundImage="url("+document.getElementById(a).src+")";changeOpac(0,a);document.getElementById(a).src=e;for(i=0;i<=100;i++){setTimeout("changeOpac("+i+",'"+a+"')",(d*c));d++}}function currentOpac(d,a,c){var b=100;if(document.getElementById(d).style.opacity<100){b=document.getElementById(d).style.opacity*100}opacity(d,b,a,c)};