NS = (document.layers);
IE = (document.all);
NS6 = ( navigator.appName == "Netscape" && navigator.appVersion.indexOf(5) != -1);

	
/*******************************************************************
ALT TEXT POPUP
*******************************************************************/

// function for popup alt text
		
function tbc_dynAltr(msg,e){

	if (IE && navigator.platform != 'Win32' ) { 
		return null;	
 	}
		
		str = "<table cellpadding='0' style=\"border: 0px solid white\"><tr><td>";
		str+="<font face=verdana, sans-serif color=white size=1>" + msg ;
		str+="</td></tr></table>";
		
	if (IE) {
		topVal = eval(e.y);
		leftVal = eval(e.x);
		
		document.all['altDiv'].style.top = topVal - 100;
		document.all['altDiv'].style.left = leftVal - 170;
		document.all['altDiv'].innerHTML = str ;
		document.all['altDiv'].style.visibility = 'visible'; 		
	}
	
	if (NS) {	
		topVal = eval(e.pageY);
		leftVal = eval(e.pageX);
		
		document.layers.altDiv.document.open();
		document.layers.altDiv.document.write('');
		document.layers.altDiv.document.write(str);
		document.layers.altDiv.document.close();
		document.layers.altDiv.visibility = 'show' ;
		document.layers.altDiv.moveTo( leftVal + 10, topVal + 10);		
	}
		
	if (NS6) {
		topVal = e.clientY;
		leftVal = e.clientX;
			
		document.getElementById('altDiv').style.top = topVal + 10;
		document.getElementById('altDiv').style.left = leftVal + 10;
		document.getElementById('altDiv').innerHTML = str ;
		document.getElementById('altDiv').style.visibility = 'visible'; 		
	}		
}

// clears popup alt text
function tbc_altHide() { 

	if (IE && navigator.platform != 'Win32' ) { 
		return null;	
 	}

	if (IE) { document.all['altDiv'].style.visibility = 'hidden' };  
	if (NS) { document.layers.altDiv.visibility = 'hide' };
	if (NS6){ document.getElementById('altDiv').style.visibility = 'hidden' };

}