function showHideDiv(divID) { divID.style.display=divID.style.display=="none" ? "block" : "none" }
function showDiv(divID) { divID.style.display="block" }
function hideDiv(divID) { divID.style.display="none" }
function openWin(url,w,h,sc,re){ var leftP = (screen.width) ? (screen.width-w)/2 : 0; var topP = (screen.height) ? (screen.height-h)/2-50 : 0;  window.open(url,"","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars="+sc+",resizable="+re+",WIDTH="+w+",HEIGHT="+h+",top="+topP+",left="+leftP);}
function change_height(iframeName) {if(document.getElementById && !(document.all)) {height = document.getElementById(iframeName).contentDocument.body.scrollHeight; document.getElementById(iframeName).style.height = height; } else if(document.all) {height = document.frames(iframeName).document.body.scrollHeight; eval('document.all.'+iframeName+'.style.height = height;');} }
function goTo(url,target) {if(target==0) location.href=url; else window.open(url);}
function showBan(id,divName,sizeStr,wmode,src,bgcolor) {var d=document.getElementById(divName); var obj='<OBJECT id="'+id+'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" '+sizeStr+' >'+wmode+'<PARAM NAME="movie" VALUE="'+src+'"><PARAM NAME="quality" VALUE="high"><param name="bgcolor" value="'+bgcolor+'"><EMBED src="'+src+'" quality="high" '+sizeStr+' bgcolor="'+bgcolor+'" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></EMBED></OBJECT>'; d.innerHTML=obj; }

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// check textarea of form if over num of letters
function isThisNum(str){
var legal = true;
var i;
for (i=0; i<str.length; i++) {
	ch = str.substring(i,i+1)
	if ((str.length==0) || (ch !="0" && ch !="1" && ch !="2" && ch !="3" && ch !="4" && ch !="5" && ch !="6" && ch !="7" && ch !="8" && ch !="9")) {
		legal = False
		break
	}
}
return legal
} //end function

function isThereHeb(str){
var legal = false;
var i;
for (i=0; i<str.length; i++) {
	ch = str.substring(i,i+1)
	if (ch>="א" && ch<="ת") {
		legal = true
		break
	}
}
return legal
} //end function

function isThereBadDigits(str){
var legal = false;
var i;
for (i=0; i<str.length; i++) {
	ch = str.substring(i,i+1)
	if (ch=="--" || ch=="|" || ch==";" || ch=="<" || ch==">" || ch=="`" || ch=="~" || ch=="*" || ch=="#" || ch=="/" || ch=="\\" || ch=="^") {
		legal = true
		break
	}
}
return legal
} //end function

function isLegalEmail(str) {
var legal = true;
var i;
if(isThereBadDigits(str) || isThereHeb(str)){
	legal = false
}
if((str.length<5) || (str.indexOf('@')<1) || (str.indexOf('.')<1)) { 
	legal = false
}
return legal
}
////////////////////////////////////////////////////////////////////////////////////////////////////