function showBigImage(image, width, height)
{
	popupWin = window.open('/scripts/image.php?image=/'+image+'&w='+width+'&h='+height,'','width='+width+', height='+height+', left=100, top=10, directories=no, location=no, menubar=no, resizable=yes, scrollbars=no, status=no, toolbar=no');
	popupWin.focus();
}

function checkForm(form)
{
   var any_checked=false;	
   for(i=0; i<form["fchecked[]"].length; i++)
     any_checked = (any_checked || (form["fchecked[]"][i].checked)) ;
   document.getElementById("book").disabled = !any_checked;
}

function clearForm(){
   document.getElementById("ftype").options[0].selected = true;
   document.getElementById("froom").value = "";
   document.getElementById("fnum").value = "";	

   var Current_Date = new Date();

   var Current_Day = Current_Date.getDate();
   var Current_Month = Current_Date.getMonth()+1;
   var Current_Year = Current_Date.getFullYear();
   var Today= (Current_Day<10 ? "0" : "") + Current_Day + '.' + (Current_Month<10 ? "0" : "") + Current_Month+'.' + Current_Year;
   document.getElementById("fbegdate").value = Today;		
   document.getElementById("fenddate").value = Today;	
}

function checkFields() {
	var beg = document.getElementById("fbegdate").value;
	var end = document.getElementById("fenddate").value;
	var arrBeg = beg.split('.');
	var arrEnd = end.split('.');
	beg = arrBeg[2] + arrBeg[1] + arrBeg[0]; 
	end = arrEnd[2] + arrEnd[1] + arrEnd[0]; 
	if (beg > end){
	 alert("Неверно задан период");		
	}
    }