function twoColumn() {

	ccol = document.getElementById( 'centercol' );
	rcol = document.getElementById( 'rightcol' );
	lcol = document.getElementById( 'leftcol' );

	var maxColHeight;
	
	if ( ccol && rcol && lcol) {
		
		maxColHeight = lcol.offsetHeight;
			
		if(ccol.offsetHeight > maxColHeight)
			maxColHeight = ccol.offsetHeight;
			
		if(rcol.offsetHeight > maxColHeight)
			maxColHeight = rcol.offsetHeight;
		
		lcol.style.height = maxColHeight + 'px';
		ccol.style.height = maxColHeight - 8 + 'px';
		rcol.style.height = maxColHeight - 22 + 'px';
	}
	if( ccol && rcol ) {
			
		if(rcol.offsetHeight > ccol.offsetHeight)
			ccol.style.height = rcol.offsetHeight - 16 + 'px';
		else {
			rcol.style.height = ccol.offsetHeight - 22 + 'px';
		}
	}
}

function getScreen() {
    this.height = screen.height;
    this.width = screen.width;
    this.center = screen.availWidth/2;
    this.middle = screen.availHeight/2;
}

function ipx_win( theURL ) {
	
	sc = new getScreen();
	w = 640;
	h = 550;

	features ='width='+w+',height='+h+',left='+(sc.center-(w/2))+',top='+(sc.middle-(h/2));
	ctWindow=window.open(theURL,"ipxwin",features);
	
	if(window.focus) {
		ctWindow.window.focus();
	}
	
}
function contact_win(theURL, w, h) {
	
	sc = new getScreen();

	features ='width='+w+',height='+h+',left='+(sc.center-(w/2))+',top='+(sc.middle-(h/2));
	ctWindow=window.open(theURL,"ctw",features);
	
	if(window.focus) {
		ctWindow.window.focus();
	}
	
}
document.write('                                                                ');