function newImage(arg) {
        if (document.images) {
                rslt = new Image();
                rslt.src = arg;
                return rslt;
        }
}

var preloadFlag = false;
function changeImages() {

        if (document.images && (preloadFlag == true)) {

                for (var i=0; i<changeImages.arguments.length; i+=2) {
                        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];

                }

        }
}


function check(object){
  if (document.getElementById(object).value.length == 0  ){
    alert("\"Пожалуйста, заполните поле\"");
    document.getElementById(object).focus();
    return false;
  }
}


function show_hide(id)
{
	var win = document.getElementById(id);	
	if(win.style.display=='block')
	{
		win.style.display='none';
	}
	else
	{
		win.style.display='block';
	}
}



function show(id)
{
	var win = document.getElementById(id);	
	if(win)
	{
		if(win.style.display!='block')
		{
			win.style.display='block';
		}
	}
}


function hide(id)
{
	var win = document.getElementById(id);	
	if(win)
	{
		if(win.style.display!='none')
		{
			win.style.display='none';
		}
	}
}



function hideAll(s)
	{    
		var divs = document.getElementsByTagName("div");    
		var div;    
		for (i = 0; i < divs.length; i++)    
		{       
			div = divs[i];
			if(div.id.substring(0,5)=='m_div')
			{
				if(div.id!=s)
				{
					div.style.display = "none";    
				}
			}
		} 
	}