var popups = new Array('view_large_1', 'view_large_2', 'view_large_3', 'view_large_4', 'view_large_5');
var isIE6 = /msie|MSIE 6/.test(navigator.userAgent);

function view_large(popup) {
	for (var i=0; i<popups.length; i++) {
        document.getElementById(popups[i]).style.display = "none";
    }
    document.getElementById(popup).style.display = "block";
    
    //hide all drop downs for IE6
    var select = document.getElementsByTagName('select');
    if (isIE6) {
        for (var i=0; i<select.length; i++) {
            select[i].style.visibility = 'hidden';
        }
    }
}

function close_popup(popup) {
    for (var i=0; i<popups.length; i++) {
        document.getElementById(popups[i]).style.display = "none";
    }
    
    if (popup != null){
    	var it = document.getElementById(popup);
    	if (it != null) 
			it.style.display = "none";
    }
    
    //restore all drop downs for IE6
    var select = document.getElementsByTagName('select');
    if (isIE6) {
        for (var i=0; i<select.length; i++) {
            select[i].style.visibility = 'visible';
        }
    }
}