function trim(fieldValue){
	var goodChars=fieldValue;
	var c=goodChars.substring(0,1);
	while(c==' '){
		goodChars = goodChars.substring(1);
		c=goodChars.substring(0,1);
	}
	if (goodChars==' ')
		return goodChars;
	c=goodChars.substring(goodChars.length-1,1);
	while(c==' '){
		goodChars = goodChars.substring(0, goodChars.length-2);
		c=goodChars.substring(goodChars.length-1,1);
	}
	return goodChars;
}

function show(object) {
    if (document.getElementById && document.getElementById(object)) { 
        document.getElementById(object).style.visibility = 'visible'; 
    } else if (document.layers && document.layers[object]) { 
        document.layers[object].visibility = 'visible'; 
    } else if (document.all && document.all[object]) { 
        document.all[object].style.visibility = 'visible'; 
    }
}

function hide(object) { 
    if (document.getElementById && document.getElementById(object)) { 
        document.getElementById(object).style.visibility = 'hidden'; 
    } else if (document.layers && document.layers[object]) { 
        document.layers[object].visibility = 'hidden'; 
    } else if (document.all && document.all[object]) { 
        document.all[object].style.visibility = 'hidden'; 
    }
}