function dg(obj){
	return document.getElementById(obj);	
}
function dgv(obj){
	var object=dg(obj);
	var value=object.value;
	return value;
}
function dgco(obj,status){
	document.getElementById(obj).style.display=status;
}
function dgi(obj,v){
	document.getElementById(obj).innerHTML=v;
}
function dgChecked(obj){
	return document.getElementById(obj).checked;
}
function sdgv(obj,v){
	document.getElementById(obj).value=v;
}
function dgDis(obj,dis){
	document.getElementById(obj).disabled=dis;
}
function getCheckedValue(radioObj) {
	if(!radioObj)
	return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
	if(radioObj.checked)
	return radioObj.value;
	else
	return "";
	for(var i = 0; i < radioLength; i++) {
	if(radioObj[i].checked) {
	return radioObj[i].value;
	}
	}
	return "";
}


function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		  // alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   // alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}

function validateEmail(x){
	var emailID=x
	
	if ((emailID.value==null)||(emailID.value=="")){
		//alert("Please Enter your Email ID")
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		return false
	}
	return true
 }
function popupWindow(mypage, myname, w, h, scroll) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}
	function fArkGonder(l){
	var mypage=l;
	var myname='ark';
	var w=650;
	var h=400;
	var scroll='no';
	popupWindow(mypage, myname, w, h, scroll);
	
	}
	function fPrintPage(l){
	var mypage=l;
	var myname='printPage';
	var w=630;
	var h=600;
	var scroll='no';
	popupWindow(mypage, myname, w, h, scroll);
			
	
	}
function ltrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(0)) != -1) {
      var j=0, i = s.length;
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;
      s = s.substring(j, i);
   }
   return s;
}

function rtrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      var i = s.length - 1;       // Get length of string
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;
      s = s.substring(0, i+1);
   }
   return s;
}


function trim(str) {
   return rtrim(ltrim(str));
}	
	
	
function wOpen(t){

var mypage='/index2.php?w='+t;
if (t=="mesaj")
{
	mypage+='&author='+authorId;
}
var myname='yorumyaz';
var w=650;
var h=600;
var scroll='yes';
popupWindow(mypage, myname, w, h, scroll);
}