function MyPopUp(Visible,PopUpWidth,PopUpHeight) 
{
	var xGray = document.getElementById("MyGray")
	var xDdlg = document.getElementById("MyDlg")
	if (Visible == "True"){
		xGray.style.display = "block"
		xDdlg.style.display = "block"
 		xDdlg.style.left = ((xGetWindowWidth() /2)-(PopUpWidth/2))+'px'
		xDdlg.style.top = (( xGetWindowHeight()/2)-(PopUpHeight/2))+'px'
		if (document.body.style.overflow = "hidden") 
		{
			xGray.style.width = "100%"
			xGray.style.height = "200%"
		}	
	
	}else{
		xGray.style.display = "none"
		xDdlg.style.display = "none"
	}
}


function xGetWindowHeight() 
{
	var myHeight = 0;
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		myHeight = window.innerHeight;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		//IE 6+ in 'standards compliant mode'
		myHeight = document.documentElement.clientHeight;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		myHeight = document.body.clientHeight;
	}
	return myHeight;
}
function xGetWindowWidth() 
{
	var myWidth = 0;
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		myWidth = window.innerWidth;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		//IE 6+ in 'standards compliant mode'
		myWidth = document.documentElement.clientWidth;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		myWidth = document.body.clientWidth;
	}
	return myWidth;
}