function getElement(_id){
  return (document.getElementById) ? document.getElementById(_id): document.all[_id];
}

var startScroll={};
startScroll.scrollObj={};
startScroll.scrollInit=function(){
    for( var i = 0; i < arguments.length; i++ ){

        startScroll.scrollObj[arguments[i]]=getElement(arguments[i]);

        if(startScroll.scrollObj[arguments[i]]==null) continue;

        
        startScroll.scrollObj[arguments[i]]._scrolldelay = Math.max(parseFloat(startScroll.scrollObj[arguments[i]].delay || 0) * 1000,0);
        
        

        startScroll.scrollObj[arguments[i]]._orienStr = (startScroll.scrollObj[arguments[i]].orien || "auto").toUpperCase();
        
        startScroll.scrollObj[arguments[i]]._inTimer = null;

        startScroll.scrollObj[arguments[i]]._outTimer = null;

        startScroll.scrollObj[arguments[i]]._hover = false;

        startScroll.scrollObj[arguments[i]].scrDivs = new Array();

        startScroll.scrollObj[arguments[i]]._nextItemIndex = 0;

        startScroll.scrollObj[arguments[i]]._activeItem;

        startScroll.scrollObj[arguments[i]]._statue = 0;

        startScroll.scrollObj[arguments[i]]._percent = 10;

        startScroll.scrollObj[arguments[i]]._stepLength = 2 ;

        startScroll.scrollObj[arguments[i]]._moveSpeedDelay = 100;

        
        startScroll.scrollObj[arguments[i]].onmouseover = function(){
            
            this._hover=true;

        }
        startScroll.scrollObj[arguments[i]].onmouseout=function(){

            this._hover=false;

        }
        startScroll.scrollObj[arguments[i]].getNextItemIndex=function(offset){
            return (this._nextItemIndex + offset) % this.scrDivs.length ;
        }
        
        startScroll.scrollObj[arguments[i]].setOrien = function(){
            if(this._orienStr=="UP"){

                this._orientation=1;

            }else if(this._orienStr == "RIGHT"){

                this._orientation=2;

            }else if(this._orienStr == "DOWN"){

                this._orientation=3;

            }else if(this._orienStr == "LEFT"){

                this._orientation=4;

            }else if(this._orienStr == "LU"){

                this._orientation=5;

            }else if(this._orienStr == "RU"){

                this._orientation=6;

            }else if(this._orienStr == "RD"){

                this._orientation=7;

            }else if(this._orienStr == "LD"){

                this._orientation=8;

            }else if(this._orienStr == "AUTO1"){

                this._orientation=Math.floor(Math.random()*4) + 1;

            }else if(this._orienStr == "AUTO2"){

                this._orientation=Math.floor(Math.random()*4) + 5;

            }else if(this._orienStr == "AUTO"){

                this._orientation=Math.floor(Math.random()*8) + 1;

            }else{

                this._orientation=Math.floor(Math.random()*8) + 1;

            }
        }


        
        
        var divs = startScroll.scrollObj[arguments[i]].getElementsByTagName("div");

        var divIndex=0;

        for(var di=0;di<divs.length;di++){
            if(divs[di].className=="scrollItem"){
                
                if(divIndex==0){

                    startScroll.scrollObj[arguments[i]]._activeItem = divs[di];

                }
                divs[di]._index = divIndex;
                

                divs[di]._top = 0;

                divs[di]._left = 0;
                
                divs[di].style.visibility = "visible";

                divs[di]._percentLocal = startScroll.scrollObj[arguments[i]]._percent;
                
                divs[di].setLocal = function(){
                    switch(this.parentNode._orientation){
                        
                        case 1 : this.style.left=0;

                                 this.style.top = this.parentNode.offsetHeight + "px" ;

                                 break;
                        
                        case 2 : this.style.left = -this.offsetWidth + "px" ;

                                 this.style.top = 0 ;

                                 break;
                        
                        case 3 : this.style.left = 0;

                                 this.style.top = -this.offsetHeight + "px";

                                 break;
                        
                        case 4 : this.style.left = this.parentNode.offsetWidth + "px" ;

                                 this.style.top = 0;

                                 break;
                        
                        case 5 : this.style.left = this.parentNode.offsetWidth + "px" ;

                                 this.style.top = this.parentNode.offsetHeight + "px" ;

                                 break;

                        
                        case 6 : this.style.left = -this.offsetWidth + "px" ;

                                 this.style.top = this.parentNode.offsetHeight + "px" ;

                                 break;
                        
                        case 7 : this.style.left = -this.offsetWidth + "px" ;

                                 this.style.top =  -this.offsetHeight + "px";

                                 break;
                        
                        case 8 : this.style.left = this.parentNode.offsetWidth + "px" ;

                                 this.style.top = -this.offsetHeight + "px";
                    }
                }
                
                

                divs[di].scrollIN=function(){

                    
                    if(!(this.parentNode._hover && this.parentNode._statue==0)){
                        
                        var percent = this.parentNode._percent;
                        
                        if(this._percentLocal >= 0){

                            this.parentNode._statue=1;

                            var orien = this.parentNode._orientation;

                            if(orien==1){

                                this.style.top = (this.parentNode.offsetHeight * (this._percentLocal/percent)) + "px";

                            }else if(orien == 2){

                                this.style.left = (this.parentNode.offsetWidth * ((percent -this._percentLocal)/percent)) - this.offsetWidth + "px";
                            
                            }else if(orien == 3){

                                this.style.top = ((this.parentNode.offsetHeight) * ((percent - this._percentLocal)/percent)) - this.offsetHeight + "px";
                            
                            }else if(orien == 4){

                                this.style.left = (this.parentNode.offsetWidth * (this._percentLocal/percent)) + "px";

                            }else if(orien == 5){

                                this.style.top = (this.parentNode.offsetHeight * (this._percentLocal/percent)) + "px";

                                this.style.left = (this.parentNode.offsetWidth * (this._percentLocal/percent)) + "px";
                                
                            }else if(orien == 6){

                                this.style.top = (this.parentNode.offsetHeight * (this._percentLocal/percent)) + "px";

                                this.style.left = (this.parentNode.offsetWidth * ((percent -this._percentLocal)/percent)) - this.offsetWidth + "px";

                            }else if(orien == 7){

                                this.style.left = (this.parentNode.offsetWidth * ((percent -this._percentLocal)/percent)) - this.offsetWidth + "px";

                                this.style.top = ((this.parentNode.offsetHeight) * ((percent - this._percentLocal)/percent)) - this.offsetHeight + "px";


                            }else if(orien == 8){

                                this.style.top = ((this.parentNode.offsetHeight) * ((percent - this._percentLocal)/percent)) - this.offsetHeight + "px";

                                this.style.left = (this.parentNode.offsetWidth * (this._percentLocal/percent)) + "px";

                            }

                            this._percentLocal -=  this.parentNode._stepLength;
                        }
                    }
                  
                  
                  
                    if(this._percentLocal > - this.parentNode._stepLength){
                        
                        this.parentNode._inTimer=window.setTimeout("startScroll.scrollObj['"+this.parentNode.id+"'].scrDivs["+this._index+"].scrollIN()",this.parentNode._moveSpeedDelay);  
                    
                    }else{
                            
                        this._percentLocal=0;

                        window.clearTimeout(this.parentNode._inTimer);

                        this.parentNode._statue=0;

                        this._top=parseInt(this.style.top) || 0;

                        this._left=parseInt(this.style.left) || 0;

                        
                        this.parentNode._nextItemIndex = this.parentNode.getNextItemIndex(1);

                        this.parentNode.setOrien();

                        this.parentNode.scrDivs[this.parentNode._nextItemIndex].setLocal();

                        if(this.parentNode._nextItemIndex != this._index){

                            window.setTimeout("startScroll.scrollObj['"+this.parentNode.id+"'].scrDivs["+this._index+"].scrollOUT()",this.parentNode._scrolldelay);
                            
                            window.setTimeout("startScroll.scrollObj['"+this.parentNode.id+"'].scrDivs["+this.parentNode._nextItemIndex+"].scrollIN()",this.parentNode._scrolldelay);    
                        
                        }

                    }
                    
              }

              divs[di].scrollOUT=function(){

                
                var percent = this.parentNode._percent;
                if(!(this.parentNode._hover && this.parentNode._statue==0)){
                
                    this.parentNode._statue=1;
                    
                    

                    var orien = this.parentNode._orientation;

                    if(this._percentLocal <= percent){

                        if(orien==1){

                            this.style.top=( -(this._percentLocal / percent * (this.offsetHeight + this._top)) -6) + "px";

                        }else if(orien == 2){

                            this.style.left = this._left + ( (this._percentLocal / percent * (this.parentNode.offsetWidth - this._left)) + 6) + "px";
                        
                        }else if(orien == 3){
                            
                            this.style.top= this._top +  ( (this._percentLocal / percent * (this.parentNode.offsetHeight - this._top)) + 6) + "px";
                        
                        }else if(orien == 4){
                            
                            this.style.left = ( -(this._percentLocal / percent * (this.offsetWidth + this._left)) -6) + "px";
                        
                        }else if(orien == 5){

                            this.style.top=( -(this._percentLocal / percent * (this.offsetHeight + this._top)) -6) + "px";

                            this.style.left = ( -(this._percentLocal / percent * (this.offsetWidth + this._left)) -6) + "px";

                        }else if(orien == 6){

                            this.style.top=( -(this._percentLocal / percent * (this.offsetHeight + this._top)) -6) + "px";

                            this.style.left = this._left + ( (this._percentLocal / percent * (this.parentNode.offsetWidth - this._left)) + 6) + "px";

                        }else if(orien == 7){

                            this.style.left = this._left + ( (this._percentLocal / percent * (this.parentNode.offsetWidth - this._left)) + 6) + "px";

                            this.style.top= this._top +  ( (this._percentLocal / percent * (this.parentNode.offsetHeight - this._top)) + 6) + "px";

                        }else if(orien == 8){

                            this.style.top= this._top +  ( (this._percentLocal / percent * (this.parentNode.offsetHeight - this._top)) + 6) + "px";

                            this.style.left = ( -(this._percentLocal / percent * (this.offsetWidth + this._left)) -6) + "px";

                        }

                        this._percentLocal+= this.parentNode._stepLength;
                    }
                }
                    
                    
                    if(this._percentLocal < (percent + this.parentNode._stepLength)){
                        
                        this.parentNode._outTimer=window.setTimeout("startScroll.scrollObj['"+this.parentNode.id+"'].scrDivs["+this._index+"].scrollOUT()",this.parentNode._moveSpeedDelay);    
                    
                    }else{
                        
                        this._percentLocal=percent;

                        window.clearTimeout(this.parentNode._outTimer);
                    }
                }
                startScroll.scrollObj[arguments[i]].scrDivs[divIndex++]=divs[di];
                
                if(startScroll.scrollObj[arguments[i]]._orientation==null || startScroll.scrollObj[arguments[i]]._orientation==0){
                   
                    divs[di].parentNode.setOrien();
                
                }
                
                divs[di].setLocal();
            }
        }
        
        startScroll.scrollObj[arguments[i]].scrDivs[0].scrollIN();
    }
}