// the initial clipping position relative to the table
var ynav=new Number(0)
var y=new Number(0)
//the initial y position of the table
var y2nav=new Number(0)
var y2=new Number(0)

//INIT a string for clipping co-ords
var strClipText=new String()

//this is for the down arrow for the nav
function doMoveListY(dyy)
	{
	
	ynav=ynav+dyy;
	y2nav=y2nav-dyy;
	//the int is the height of the clipping area being used
	dy=ynav+parseInt(315);
	strClipText='rect( '+ynav+'px 100px '+dy+'px 0px)';
	//strClipText='rect( '+dy+'px 740px '+y+'px 0px)';
	projectListTab.style.top=y2nav;
	projectListTab.style.clip=strClipText;
	}
	
//this is for the up arrow for the nav
function doDownListY(dyy)
	{
	if (ynav != 0) {
	ynav=ynav-dyy;
	y2nav=y2nav+dyy;
	//the int is the height of the clipping area being used
	dy=ynav+parseInt(315);
	strClipText='rect( '+ynav+'px 100px '+dy+'px 0px)';
	//strClipText='rect( '+dy+'px 740px '+y+'px 0px)';
	projectListTab.style.top=y2nav;
	projectListTab.style.clip=strClipText;
	}
	}