isMinNS4=document.layers;ie=document.all&&navigator.userAgent.indexOf("Opera")==-1;dom=document.getElementById&&!ie&&navigator.userAgent.indexOf("Opera")==-1;function hideLayer(layer){if(isMinNS4)layer.visibility="hide";if(ie||dom)layer.style.visibility="hidden"}function showLayer(layer){if(isMinNS4)layer.visibility="show";if(ie||dom)layer.style.visibility="visible"}function inheritLayer(layer){if(isMinNS4)layer.visibility="inherit";if(ie||dom)layer.style.visibility="inherit"}function getVisibility(layer){if(isMinNS4){if(layer.visibility=="show")return"visible";if(layer.visibility=="hide")return"hidden";return layer.visibility}if(ie||dom)return layer.style.visibility;return""}function isVisible(layer){if(isMinNS4&&layer.visibility=="show")return(true);if(ie||dom&&layer.style.visibility=="visible")return(true);return(false);}function moveLayerTo(layer,x,y){if(isMinNS4)layer.moveTo(x,y);if(ie||dom){layer.style.left=x;layer.style.top=y}}function moveLayerBy(layer,dx,dy){if(isMinNS4)layer.moveBy(dx,dy);if(ie||dom){layer.style.left=parseInt(layer.style.left)+dx;layer.style.top=parseInt(layer.style.top)+dy}}function getLeft(layer){if(isMinNS4)return(layer.left);if(ie||dom)return(parseInt(layer.style.left));return(-1);}function getTop(layer){if(isMinNS4)return(layer.top);if(ie||dom)return(parseInt(layer.style.top));return(-1);}function getRight(layer){if(isMinNS4)return(layer.left+getWidth(layer));if(ie||dom)return(parseInt(layer.style.left)+getWidth(layer));return(-1);}function getBottom(layer){if(isMinNS4)return(layer.top+getHeight(layer));else if(ie||dom)return(parseInt(layer.style.top)+getHeight(layer));return(-1);}function getPageLeft(layer){if(isMinNS4)return(layer.pageX);if(ie||dom)return(layer.offsetLeft);return(-1);}function getPageTop(layer){if(isMinNS4)return(layer.pageY);if(ie||dom)return(layer.offsetTop);return(-1);}function getWidth(layer){if(isMinNS4){if(layer.document.width)return(layer.document.width);else return(layer.clip.right-layer.clip.left);}if(ie||dom){if(layer.style.width)return(layer.style.width);else return(layer.offsetWidth);}return(-1);}function getHeight(layer){if(isMinNS4){if(layer.document.height)return(layer.document.height);else return(layer.clip.bottom-layer.clip.top);}if(ie||dom){if(false&&layer.style.height)return(layer.style.height);else return(layer.offsetHeight);}return(-1);}function getzIndex(layer){if(isMinNS4)return(layer.zIndex);if(ie||dom)return(layer.style.zIndex);return(-1);}function setzIndex(layer,z){if(isMinNS4)layer.zIndex=z;if(ie||dom)layer.style.zIndex=z}function clipLayer(layer,clipleft,cliptop,clipright,clipbottom){if(isMinNS4){layer.clip.left=clipleft;layer.clip.top=cliptop;layer.clip.right=clipright;layer.clip.bottom=clipbottom}if(ie||dom)layer.style.clip='rect('+cliptop+' '+clipright+' '+clipbottom+' '+clipleft+')'}function getClipLeft(layer){if(isMinNS4)return(layer.clip.left);if(ie||dom){var str=layer.style.clip;if(!str)return(0);var clip=getIEClipValues(layer.style.clip);return(clip[3]);}return(-1);}function getClipTop(layer){if(isMinNS4)return(layer.clip.top);if(ie||dom){var str=layer.style.clip;if(!str)return(0);var clip=getIEClipValues(layer.style.clip);return(clip[0]);}return(-1);}function getClipRight(layer){if(isMinNS4)return(layer.clip.right);if(ie||dom){var str=layer.style.clip;if(!str)return(layer.style.width);var clip=getIEClipValues(layer.style.clip);return(clip[1]);}return(-1);}function getClipBottom(layer){if(isMinNS4)return(layer.clip.bottom);if(ie||dom){var str=layer.style.clip;if(!str)return(layer.style.height);var clip=getIEClipValues(layer.style.clip);return(clip[2]);}return(-1);}function getClipWidth(layer){if(isMinNS4)return(layer.clip.width);if(ie||dom){var str=layer.style.clip;if(!str)return(layer.style.width);var clip=getIEClipValues(layer.style.clip);return(clip[1]-clip[3]);}return(-1);}function getClipHeight(layer){if(isMinNS4)return(layer.clip.height);if(ie||dom){var str=layer.style.clip;if(!str)return(layer.style.height);var clip=getIEClipValues(layer.style.clip);return(clip[2]-clip[0]);}return(-1);}function getIEClipValues(str){var clip=new Array();var i;i=str.indexOf("(");clip[0]=parseInt(str.substring(i+1,str.length),10);i=str.indexOf(" ",i+1);clip[1]=parseInt(str.substring(i+1,str.length),10);i=str.indexOf(" ",i+1);clip[2]=parseInt(str.substring(i+1,str.length),10);i=str.indexOf(" ",i+1);clip[3]=parseInt(str.substring(i+1,str.length),10);return(clip);}function scrollLayerTo(layer,x,y,bound){var dx=getClipLeft(layer)-x;var dy=getClipTop(layer)-y;scrollLayerBy(layer,-dx,-dy,bound);}function scrollLayerBy(layer,dx,dy,bound){var cl=getClipLeft(layer);var ct=getClipTop(layer);var cr=getClipRight(layer);var cb=getClipBottom(layer);if(bound){if(cl+dx<0)dx=-cl;else if(cr+dx>getWidth(layer))dx=getWidth(layer)-cr;if(ct+dy<0)dy=-ct;else if(cb+dy>getHeight(layer))dy=getHeight(layer)-cb}clipLayer(layer,cl+dx,ct+dy,cr+dx,cb+dy);moveLayerBy(layer,-dx,-dy);}function setBgColor(layer,color){if(isMinNS4)layer.bgColor=color;if(ie||dom)layer.style.backgroundColor=color}function setBgImage(layer,src){if(isMinNS4)layer.background.src=src;if(ie||dom)layer.style.backgroundImage="url("+src+")"}function getLayer(name){if(isMinNS4)return findLayer(name,document);if(ie)return eval('document.all.'+name);if(dom)return document.getElementById(name);return null}function findLayer(name,doc){var i,layer;for(i=0;i<doc.layers.length;i++){layer=doc.layers[i];if(layer.name==name)return layer;if(layer.document.layers.length>0){layer=findLayer(name,layer.document);if(layer!=null)return layer}}return null}function getWindowWidth(){if(isMinNS4||dom)return(window.innerWidth);if(ie)return(document.body.clientWidth);return(-1);}function getWindowHeight(){if(isMinNS4||dom)return(window.innerHeight);if(ie)return(document.body.clientHeight);return(-1);}function getPageWidth(){if(isMinNS4||dom)return(document.width);if(ie)return(document.body.scrollWidth);return(-1);}function getPageHeight(){if(isMinNS4||dom)return(document.height);if(ie)return(document.body.scrollHeight);return(-1);}function getPageScrollX(){if(isMinNS4||dom)return(window.pageXOffset);if(ie)return(document.body.scrollLeft);return(-1);}function getPageScrollY(){if(isMinNS4||dom)return(window.pageYOffset);if(ie)return(document.body.scrollTop);return(-1);}