function isEmpty(elem, helperMsg){
	if(elem.value.length == 0){
		alert(helperMsg);
		elem.focus();
		return true;
	}
	return false;
}

function expandcollapse (postid) {

   whichpost = document.getElementById(postid);
	if(whichpost) {
   if (whichpost.className=="postshown") {
      whichpost.className="posthidden";
   }
   else {
      whichpost.className="postshown";
   }
   }
}

/*********/
function popUp(URL, mode) {
day = new Date();
id = day.getTime();
	if (mode == "news") {
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0, scrollbars=1, location=0, status=1, menubar=0, resizable=0, width=620, height=475, left=100, top=60');");
	} else if (mode == 1) {
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0, scrollbars=1, location=0, status=1, menubar=0, resizable=0, width=480, height=200, left=100, top=60');");
	} else if (mode == 2) {
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0, scrollbars=1, location=0, status=1, menubar=0, resizable=0, width=550, height=670, left=100, top=60');");
	} else if (mode == "ML") {
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0, scrollbars=1, location=0, status=1, menubar=0, resizable=0, width=975, height=650, left=10, top=60');");
	} else eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,status=1,menubar=0,resizable=0,width=600');");
}


function mask(dom,start,subject){
var one ='mai';
var two='lto:';
var three='?Subject=';
switch (dom) {
		case 1:
			var end='bg';
			var middle='@bgp.';
			break;
		case 2:
			var end='com';
			var middle='@eastmanagement.';
			break;
		case 3:
			var end='bg';
			var middle='@martel.';
			break;
		case 4:
			var end='bg';
			var middle='@furnish.';
			break;
	}
var putogether= one+two+start+middle+end+three+subject;
document.location.href=eval('"'+putogether+'"');
}
function mask2(mail){
var one ='mai';
var two='lto:';
var end='bg';
var middle='@bgp.';
switch (mail) {
		case "td":
			start = "todorova"
			break;
		case "v":
			start = "varna"
			break;
		case "s":
			start = "sofia"
			break;
		case "b":
			start = "burgas"
			break;
		case "gs":
			start = "goldensands"
			break;
		case "k":
			start = "kavarna"
			break;
		case "o":
			start = "obzor"
			break;
		case "p":
			start = "pamporovo"
			break;
		case "r":
			start = "ruse"
			break;
		case "sh":
			start = "shumen"
			break;
		case "t":
			start = "targovishte"
			break;
		case "vc":
			start = "varna.centre"
			break;
		case "jm":
			start = "j.mitts"
			middle="@fi.bgp."
			break;
		case "i":
			start = "info"
			break;
	}
var putogether= one+two+start+middle+end;
document.location.href=eval('"'+putogether+'"');
}