var FloatLayers=new Array();var FloatLayersByName=new Array();function addFloatLayer(n,offX,offY,spd){new FloatLayer(n,offX,offY,spd);}
function getFloatLayer(n){return FloatLayersByName[n];}
function alignFloatLayers(){for(var i=0;i<FloatLayers.length;i++)FloatLayers[i].align();}
function getXCoord(el){x=0;while(el){x+=el.offsetLeft;el=el.offsetParent;}
return x;}
function getYCoord(el){y=0;while(el){y+=el.offsetTop;el=el.offsetParent;}
return y;}
FloatLayer.prototype.setFloatToTop=setTopFloater;FloatLayer.prototype.setFloatToBottom=setBottomFloater;FloatLayer.prototype.setFloatToLeft=setLeftFloater;FloatLayer.prototype.setFloatToRight=setRightFloater;FloatLayer.prototype.initialize=defineFloater;FloatLayer.prototype.adjust=adjustFloater;FloatLayer.prototype.align=alignFloater;function FloatLayer(n,offX,offY,spd){this.index=FloatLayers.length;FloatLayers.push(this);FloatLayersByName[n]=this;this.name=n;this.floatX=0;this.floatY=0;this.tm=null;this.steps=spd;this.alignHorizontal=(offX>=0)?leftFloater:rightFloater;this.alignVertical=(offY>=0)?topFloater:bottomFloater;this.ifloatX=Math.abs(offX);this.ifloatY=Math.abs(offY);}
function defineFloater(){this.layer=document.getElementById(this.name);this.width=this.layer.offsetWidth;this.height=this.layer.offsetHeight;this.prevX=this.layer.offsetLeft;this.prevY=this.layer.offsetTop;}
function adjustFloater(){this.tm=null;if(this.layer.style.position!='absolute')return;var dx=Math.abs(this.floatX-this.prevX);var dy=Math.abs(this.floatY-this.prevY);if(dx<this.steps/2)
cx=(dx>=1)?1:0;else
cx=Math.round(dx/this.steps);if(dy<this.steps/2)
cy=(dy>=1)?1:0;else
cy=Math.round(dy/this.steps);if(this.floatX>this.prevX)
this.prevX+=cx;else if(this.floatX<this.prevX)
this.prevX-=cx;if(this.floatY>this.prevY)
this.prevY+=cy;else if(this.floatY<this.prevY)
this.prevY-=cy;this.layer.style.left=this.prevX;this.layer.style.top=this.prevY;if(cx!=0||cy!=0){if(this.tm==null)this.tm=setTimeout('FloatLayers['+this.index+'].adjust()',50);}else
alignFloatLayers();}
function setLeftFloater(){this.alignHorizontal=leftFloater;}
function setRightFloater(){this.alignHorizontal=rightFloater;}
function setTopFloater(){this.alignVertical=topFloater;}
function setBottomFloater(){this.alignVertical=bottomFloater;}
function leftFloater(){this.floatX=document.body.scrollLeft+this.ifloatX;}
function topFloater(){this.floatY=document.body.scrollTop+this.ifloatY;}
function rightFloater(){this.floatX=document.body.scrollLeft+document.body.clientWidth-this.ifloatX-this.width;}
function bottomFloater(){this.floatY=document.body.scrollTop+document.body.clientHeight-this.ifloatY-this.height;}
function alignFloater(){if(this.layer==null)this.initialize();this.alignHorizontal();this.alignVertical();if(this.prevX!=this.floatX||this.prevY!=this.floatY){if(this.tm==null)this.tm=setTimeout('FloatLayers['+this.index+'].adjust()',50);}}