function populateSelectbox(obj,selval) {
	for(i = 0; i<obj.length; i++)
        if (obj[i].value.toLowerCase() == selval.toLowerCase()) 
                obj[i].selected = true;
}

function chagefocus(evt, currobj, changeobj) {	
	if(isNumberKey(evt)){
		if(currobj.getAttribute("maxlength") == Trim(currobj.value).length){
			changeobj.focus();
		}
	}else {
		return false;
	}
}
function Trim(s){
	while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r')) 
		s = s.substring(1,s.length);
	while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r')) 
		s = s.substring(0,s.length-1);
	return s;
}
function IsvalidEmail(mailid) {		
	var str=mailid
	var flag=true;
	var at="@";
	var dot=".";
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	
	if (str.indexOf(at)==-1)
		flag=false;
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
		flag=false;
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		flag=false;
	if (str.indexOf(at,(lat+1))!=-1)
		flag=false;
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		flag=false;
	if (str.indexOf(dot,(lat+2))==-1)
		flag=false;
	if (str.indexOf(" ")!=-1)
		flag=false;
	if(flag)
		return true;
	else
		return false;
}
	var isNN = (navigator.appName.indexOf("Netscape")!=-1);
	function autoTab(input,len, e) {
		var keyCode = (isNN) ? e.which : e.keyCode; 
		var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
		if(input.value.length >= len && !containsElement(filter,keyCode)) {
		input.value = input.value.slice(0, len);
		try {
			input.form[(getIndex(input)+1) % input.form.length].focus();
		}
		catch(er){
			
		}
	}
	function containsElement(arr, ele) {
		var found = false, index = 0;
		while(!found && index < arr.length)
		if(arr[index] == ele)
		found = true;
		else
		index++;
		return found;
	}
	function getIndex(input) {
		var index = -1, i = 0, found = false;
		while (i < input.form.length && index == -1)
		if (input.form[i] == input)index = i;
		else i++;
		return index;
	}
	return true;
}