function clearPreloadPage() { //DOM
	
	
	if(document.getElementById('prepage') != null ){
        
            if ( document.getElementById ){
		    document.getElementById('prepage').style.visibility='hidden';
	    } 
	    else {
		    if (document.layers){ //NS4
		    document.prepage.visibility = 'hidden';
		    } else { //IE4
		    document.all.prepage.style.visibility = 'hidden';
		    }	
	    }
        	
	}
}