function BrowserCheck() 
	{
	var b = navigator.appName
	if (b=="Netscape") this.b = "ns"
	else if (b=="Microsoft Internet Explorer") this.b = "ie"
	else this.b = b
	this.v = parseInt(navigator.appVersion)
	this.ns = (this.b=="ns" && this.v>=4)
	this.ns4 = (this.b=="ns" && this.v==4)
	this.ns5 = (this.b=="ns" && this.v==5)
	this.ie = (this.b=="ie" && this.v>=4)
	this.ie4 = (navigator.userAgent.indexOf('MSIE 4')>0)
	this.ie5 = (navigator.userAgent.indexOf('MSIE 5')>0)
	if (this.ie5) this.v = 5
	this.min = (this.ns||this.ie)
	}
			
// automatically create the "is" object
is = new BrowserCheck()
			
function Drop()
	{
	}
			
function makeGray()
	{
	if(is.ie)
		{
		source=event.srcElement
		if(source != 'TD')
			{
			source=source.parentElement
			}
		source.style.backgroundColor='#dddddd'
		}
	}

function makeWhite()
	{
	if(is.ie)
		{
		source.style.backgroundColor='#ffffff'
		}
	}