function turnover(imgName)
{ 
if (document.images) 
	{ 
		distemp = imgName+"sel";
		if (dissel != distemp)
			{
				imgSel=eval(imgName + "Sel.src"); 
				document[imgName].src= imgSel; 
			}
	} 
}

function turnoff(imgName)
{
if (document.images)
	{
		distemp = imgName+"dn";
		if (dissel != distemp)
			{
				distemp = imgName+"sel";
				if (dissel != distemp)
				{
					imgOff=eval(imgName + "Up.src");
					document[imgName].src= imgOff;
				}
			}
		else
			{
      				imgOff=eval(imgName + "Sel.src");
      				document[imgName].src= imgOff;
				dissel = imgName+"sel";
			}
    	}
}

function turnon(imgName)
{
if (document.images)
	{
		distemp = imgName+"sel";
		if (dissel != distemp)
			{
      				imgOff=eval(imgName + "Dn.src");
      				document[imgName].src= imgOff;
				dissel = distemp;
			}
    	}
}

function turndown(imgName)
{
if (document.images)
	{
		if (dissel != "")
			{
      				imgOff=eval(dissel.substring(0,5) + "Up.src");
      				document[dissel.substring(0,5)].src= imgOff;
			}
		distemp = imgName+"dn";
		if (dissel != distemp)
			{
		      		imgdn=eval(imgName + "Dn.src");
      				document[imgName].src= imgdn;
				dissel = imgName+"dn";
			}
    	}
}

function turndis(imgName)
{
	dissel=imgName +"dis";
      	imgdis=eval(imgName + "Dn.src");
      	document[imgName].src= imgdis;
}

function getbase()
{
 var who_ami=navigator.userAgent.toLowerCase();  //use lower case name 
 var myversion = parseInt(navigator.appVersion); //get version 
 var isie = (who_ami.indexOf("msie") != -1); //does name contain 'msie'? 
 var bstop;
 if ( isie ) 
            { bstop = "64px"; } 
            else  
            { bstop = "57px"; }; 
}