function displayBlock(block, display) {
    var now = new Date();
    oBlock = document.getElementById(block);
    oBlock.style.display = (display) ? "inline" : "none";
}

function checkrequired(which,reqfields){
	for (i=0;i<which.length;i++){
	  var tempobj=which.elements[i];
	  	for(j=0;j<reqfields.length;j++) {
			if(reqfields[j]==tempobj.name && tempobj.value=='') {
			  	alert('Необходимо заполнить все обязательные поля');
		  		return false;
	  		}
  		}
	}
	return true
}


function checkrequired_orig(which){
var pass=true
if (document.images){
for (i=0;i<which.length;i++){
var tempobj=which.elements[i]
if (tempobj.name.substring(0,8)=="required"){
if (((tempobj.type=="text"||tempobj.type=="textarea")&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
pass=false
break
}
}
}
}
if (!pass){
alert("One or more of the required elements are not completed. Please complete them, then submit again!")
return false
}
else
document.getElementById('blah').disabled=true;

return true
}

function showPicture(id)
{
  var w=Math.floor(screen.availWidth)-50;
  var h=Math.floor(screen.availHeight)-50;
  window.open("/show_picture.php?id="+id,"","scrollbars=1,resizable=1,menubar=0,width="+w+",height="+h+",left=20,top=1");
}