function getElementsByClass(oElm, strTagName, strClassName){

	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);

	var arrReturnElements = new Array();

	strClassName = strClassName.replace(/\-/g, "\\-");

	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");

	var oElement;

	for(var i=0; i<arrElements.length; i++){

		oElement = arrElements[i];

		if(oRegExp.test(oElement.className)){

			arrReturnElements.push(oElement);

		}

	}

	return (arrReturnElements)

}



var initdelay=600;

var menudelay=550;





var timeincrement=12;

var rollspeed=15;

var unhidespeed=3;



var mainflag=0;

var timeflag=0;

var hidepos=0;

var rollno=0;

var oldrollno=-1;



var ptotal;

var divheight;

var coverheight;

var ptimeoutID;



function initRoll()

{



		product=getElementsByClass(document,"div","products");

	

		ptotal=product.length;

	

		for(i=0;i<ptotal;i++)

		{

			pname="pid_"+i;

			product[i].id=pname;

		}

	

		coverheight=document.getElementById("pmenuitems").offsetHeight + 30;

		setTimeout('doUnhide()',initdelay);



}







function pRoll(itemno)

{

	if(itemno!=rollno)

	{

		rollno=itemno;	

		ptimeoutID=setTimeout('pChange()',menudelay);

	}

}





function pOut()

{

	clearTimeout(ptimeoutID);

}





function pChange()

{

	if(rollno!=oldrollno)

	{

	mainflag=1;

	oldrollno=rollno;

	document.getElementById("dhtmldiv").style.visibility="hidden";

	pname="pid_"+rollno;

	document.getElementById("dhtmldiv").innerHTML=document.getElementById(pname).innerHTML;

	divheight=document.getElementById("dhtmldiv").offsetHeight;

	if(timeflag==0)

	{

		timeflag=1;

		setPos();

	}

	setTimeout('document.getElementById("dhtmldiv").style.visibility="visible"',timeincrement);

	}

}







function setPos()

{

	if(divheight>0)	pheight="-"+divheight+"px";

	else pheight="0px";

	if(divheight>-10)

	{

		document.getElementById("dhtmldiv").style.top=pheight;

		divheight-=rollspeed;

		setTimeout('setPos()',timeincrement);

	}



	else

	{

		document.getElementById("dhtmldiv").style.top="10px";

		timeflag=0;

	}

}





function doUnhide()

{

	if(hidepos<coverheight)

	{

		hiddentop=hidepos+"px";

		document.getElementById("pmenuhide").style.top=hiddentop;

		hidepos+=unhidespeed;

		setTimeout('doUnhide()',timeincrement);

	}

	

	else

	{

		if(mainflag==0)setTimeout('pChange()',5*timeincrement);

		

	}



}