function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }



function popitup(url)
{
	newwindow=window.open(url,'name','height=265,width=210,top=200,left=300');
	if (window.focus) {newwindow.focus()}
	return false;
}


function pop475x450(url)
{
	newwindow=window.open(url,'name','height=475,width=450,top=200,left=300,scrollbars=yes,resizable=yes');
	if (window.focus) {newwindow.focus()}
	return false;
}

function pop335x520(url)
{
	newwindow=window.open(url,'name','height=335,width=520,top=50,left=200 scrollbars=no,resizable=no');
	if (window.focus) {newwindow.focus()}
	return false;
}


function pop450x550(url)
{
	newwindow=window.open(url,'name','height=450,width=550,top=200,left=300');
	if (window.focus) {newwindow.focus()}
	return false;
}

function pop315x275(url)
{
	newwindow=window.open(url,'name','height=315,width=275,top=200,left=300');
	if (window.focus) {newwindow.focus()}
	return false;
}

function pop310x275(url)
{
	newwindow=window.open(url,'name','height=315,width=275,top=200,left=300');
	if (window.focus) {newwindow.focus()};
}

function newWindow(htmlfile) {
     infoWindow = window.open(htmlfile,'infoWin','scrollbars=yes,resizable=yes,width=460,height=475,left=250,top=100')

infoWindow.focus()
}

function popup(url)
{
	newwindow=window.open(url,'name','height=600,width=610,top=100,left=300');
	if (window.focus) {newwindow.focus()}
	return false;
}