// Version of browser
function browser_name() {
	var version = window.navigator.appName;
	if ( (version == 'Microsoft Internet Explorer') || (version == 'Microsoft') || (version == 'Internet Explorer') ) browser = 'ie';
    else if ( (version == 'Mozilla') || (version == 'Netscape Navigator') || (version == 'Netscape') ) browser = 'moz';
	else browser = 'undefined';
}

// The resolution of screen
function screen_resolution() {
	screenW = screen.width;
	screenH = screen.height;
}

/************************
*  Excel Height
************************/
function cols_h() {
	var exc_div_h = 1;
	var lim = 100;
	if (excel_rows) lim = excel_rows;
	for (i=1; i <= lim; i++) {
		if (document.getElementById('col1_'+i)) {
			var col1h = document.getElementById('col1_'+i).clientHeight;
			var col2h = document.getElementById('col2_'+i).clientHeight;
			
			//alert(''+col1h+' - '+col2h);
			if (col1h <= col2h) {
				document.getElementById('col1_'+i).style.height = ''+col2h+'px';
				exc_div_h = exc_div_h + col2h + 1;
			} else {
				document.getElementById('col2_'+i).style.height = ''+col1h+'px';
				exc_div_h = exc_div_h + col1h + 1;
			}
		}
	}
	//alert(''+exc_div_h);
	if (document.getElementById('exc_div')) document.getElementById('exc_div').style.height = ''+(exc_div_h+16)+'px';
}


function icon_viev() {
	name = document.getElementById("pic_view").src;
	document.getElementById("icon_view").href = name.substr(0, name.length-4)+"_view."+name.substr(name.length-3, 3);
}

function empt() {
		
	if (document.getElementById('search_string')) {
		var s_str  = document.getElementById('search_string');
		var s_but  = document.getElementById('search_but');
		
		s_str.focus();
		if (s_str.value.length > 2) {
			s_but.disabled=false;
		} else {
			s_but.disabled=true;
		}
	}
	if (document.getElementById('fdbk_comment')) {
		var s_str  = document.getElementById('fdbk_comment');
		var s_but  = document.getElementById('subm');
		
		s_str.focus();
		if (s_str.value.length > 2) {
			s_but.disabled=false;
		} else {
			s_but.disabled=true;
		}
	}
}

function emptbut() {
        setTimeout("emptbut2()",200);
}
function emptbut2() {
        if (document.getElementById('subm')) {
                var s_butt  = document.getElementById('subm');
                s_butt.disabled=true;
        }
}

function showhide(id1, id2) {
	if (id1 != '') showhide_v(id1);
	if (id2 != '') showhide_v(id2);
}

function showhide_v(id) {
	if (document.getElementById(id).style.display == 'none') {
		document.getElementById(id).style.display = 'block';
		document.getElementById('td'+id).className = 'table_title1';
        //document.getElementById('pic_'+id).src = 'http://www.pfk.ru/images/ico_collapse_wh.gif';		
	} else {
		document.getElementById(id).style.display = 'none';
		document.getElementById('td'+id).className = 'table_title';
        //document.getElementById('pic_'+id).src = 'http://www.pfk.ru/images/ico_expand_wh.gif';
	}
	cols_h();
}

function collapse() {
	document.getElementById("hlp_panel").style.display = 'none';
	document.getElementById("hlp_but_open").style.display = 'none';
	document.getElementById("hlp_but_close").style.display = 'block';
}

function expand() {
	document.getElementById("hlp_panel").style.display = 'block';
	document.getElementById("hlp_but_open").style.display = 'block';
	document.getElementById("hlp_but_close").style.display = 'none';
}

function changeDiv(n){		
	for (var i=1; i<4; i++) {		
		document.getElementById('div'+i).style.display = 'none';		
		var m = document.getElementById('div'+i);			
		if(m==document.getElementById(n)) document.getElementById('div'+i).style.display = 'block';		
	}		
}

function HideLayers() {
document.getElementById('layers').style.display = 'none';
}