function gel(id)
{
	return document.getElementById(id);
}

function popup(url, name, width, height)
{
	settings=
	"toolbar=no,location=yes,directories=no,"+
	"status=no,menubar=yes,scrollbars=yes,"+
	"resizable=yes,width="+width+",height="+height;

	MyNewWindow=window.open("https://"+url,name,settings);
}

function handlePress(thisimage, thissource)
{
	thisimage.src=thissource;
}

function handleRelease(thisimage, thissource)
{
	thisimage.src=thissource;
}

function selectivecheck(myselection)
{
	var strng = myselection.options[myselection.selectedIndex].value;
	if(strng == "all")
	{
		strng = "a";
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = true;
			}
			else
			{
				break
			}
		}
		strng = "b";
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = true;
			}
			else
			{
				break
			}
		}
		strng = "c";
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = true;
			}
			else
			{
				break
			}
		}
		strng = "d";
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = true;
			}
			else
			{
				break
			}
		}
	}
	else if(strng == "none")
	{
		strng = "a";
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = false;
			}
			else
			{
				break
			}
		}
		strng = "b";
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = false;
			}
			else
			{
				break
			}
		}
		strng = "c";
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = false;
			}
			else
			{
				break
			}
		}
		strng = "d";
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = false;
			}
			else
			{
				break
			}
		}

	}
	else
	{
		for (var i=0; ;i++)
		{
			if(gel(strng+i) != null && gel(strng+i) != undefined)
			{
				gel(strng+i).checked = true;
			}
			else
			{
				break
			}
		}
	}
}