function trim(sStr)
{
   var s;
   sStr = sStr.toString();
   sStr = sStr.replace(/(^\s*)|(\s*$)/g,"");
   //sStr = sStr.replace(/\s{2,}/g," "); /*----- Removes the unwanted spaces(more than one)-----*/
   return(sStr);
}/*---- Regular expression functions for clearing the spaces ----*/

function validate(obj)
{
	obj1 = trim(obj.value)
	if(obj1 == "")
	{		
		alert("Search Text is Empty");
		obj.focus();
		return false;
	}
	else
	return true;
}/*----- Validate Search Text is empty or not-----*/

function clear_spaces(formName)
{
	var element_all =  formName.elements;
	var i;
	for(i=0;i<element_all.length;++i)
	{
		if (element_all[i].type == "text" || element_all[i].type == "textarea")
			element_all[i].value = trim(element_all[i].value);
			
	}
}/*----- Trim all the text boxes Only-----*/

function checkText(obj)
{
/*-----The trim function has to be called before calling this function -----*/
/*---- Later , type will be passed as a parameter so that the type will be like email, phone no , numeric, character ---*/
if(obj.value == "")
	{
		return false;
	}
else
	return true;
}/*---- Checks the text box for empty string -----*/

function checkConfPassword(obj1,obj2)
{
	
/*-----The trim function has to be called before calling this function -----*/

if(obj1.value != "" && obj2.value != "")
	{
		if(trim(obj1.value) != trim(obj2.value))
		return false;
		else
		return true;
	}
else
	return false;
}/*---- Checks the cofirm password and password are same -----*/

function checkCombo(obj)
{
/*-----The trim function has to be called before calling this function -----*/
/*---- Later , type will be passed as a parameter so that the type will be like email, phone no , numeric, character ---*/
if(obj.value == "0")
	{
//		alert("Please enter the "+name);
		//obj.focus();
		return false;
	}
else
	return true;
}/*---- Checks the text box for empty string -----*/


function checkEqual(string1,string2)
{
	var retVal = (string1 === string2) ? true : false;
	return retVal;
}/*-----checkEqual()----*/

function checkSelected(obj)
{
	/*if(obj.options[obj.selectedIndex].value == 0 )
		return false;
	else
	return true;*/
//return (obj.options[obj.selectedIndex].value == 0 ) ? false : true;
//alert(obj.selectedIndex);
return (obj.selectedIndex == 0 ) ? false : true;
}/*----checkSelected()-----*/

function checkSelectedVideo(obj)
{
	/*if(obj.options[obj.selectedIndex].value == 0 )
		return false;
	else
	return true;*/
//return (obj.options[obj.selectedIndex].value == 0 ) ? false : true;
//alert(obj.selectedIndex);
return (obj.selectedIndex == 0 ) ? false : true;
}/*----checkSelected()-----*/


function checkMSelected(obj)
{
var i = 0;
for( i =0 ;i< obj.length; i++)
	{
	 if ((obj[i].selected) || (obj[i].checked)) 
		 return true;
	}

return false;
}/*----checkSelected()-----*/


 function telephoneCheck(telephoneNum)
 {
 	var validCharRegExp = /^\+?[\d\- ]+$/;
	var isValid = (validCharRegExp.test(telephoneNum));
	
	return isValid;
 }
function PostalCode(postalCode)
  {
  	var validCharRegExp = /^\d[\d\- ]+$/; 
	var isValid = (validCharRegExp.test(postalCode));
	
	return isValid;
  }
 
 function OnlyAlphabetic(string)
 {
 //	if(string == "" ) return false;
 	var invalidCharRegExp = /[^a-zÅåÆæØø]/i;
	var isValid = !(invalidCharRegExp.test(string));
	
	return isValid;
 }

 
 //To validate Numbers only .................................
function isOnlyNumeric(string)
 {
 	if(string == "" ) return false;
 	var invalidCharRegExp = /[^\d]/;
	var isValid = !(invalidCharRegExp.test(string));	
	return isValid;
 }
 
function emailCheck(email)
  {
	 // alert(email);
	 var validCharRegExp = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,20})$/i;
	//var validCharRegExp = /^\w(\.?[-\w])*@\w(\.?[-\w])*\.([a-z]{3}(\.[a-z]{2})?|[a-z]{2}(\.[a-z]{2})?)$/i;
//var validCharRegExp = /^\w(\.?\w)*@\w(\.?[-\w])*\.([a-z]{3}(\.[a-z]{2})?|[a-z]{2}(\.[a-z]{2})?)$/i;
	

	var isValid = (validCharRegExp.test(email));
	
	return isValid;
}/*----- Email-----*/

   
function checkDate(fromDate, toDate) 
{
	var from = fromDate.value;
	var to = toDate.value;
	if(from != "" && to != "")
	{
		from = from.substr(8,2)+"-"+from.substr(5,2)+"-"+from.substr(0,4);
		to = to.substr(8,2)+"-"+to.substr(5,2)+"-"+to.substr(0,4);
	//	alert(" from date "+ from +"\n To date :"+to);
		if (Date.parse(from) <= Date.parse(to )) 
		{
			 return true;
		}
	
	}
	else
		return true;// here if the from date or to date is empty ... no error message should be thrown
	return false;
}/*----CheckDate()-----*/

function cancel()
{
window.history.back(-1);
}/*---Cancel()---*/


function alphaOnly(e) {
	 
	var k;
	document.all ? k = e.keyCode : k = e.which;
	return ((k > 64 && k < 91) || (k > 96 && k < 123) || k == 8 || k == 9 || k == 32 || k == 0 || k == 95);
}
function numbersonly(myfield, e, dec)
{
var key;
var keychar;

if (window.event)
   key = window.event.keyCode;
else if (e)
   key = e.which;
else
   return true;
keychar = String.fromCharCode(key);
//alert(key);
// control keys
 if ((key==null) || (key==0) || (key==8) || 
    (key==9) || (key==13) || (key==27)  || (key==43) || (key==44) || (key==45) || (key==46) || (key==32))
   return true;

// numbers
else if ((("0123456789").indexOf(keychar) > -1))
   return true;

// decimal point jump
else if (dec && (keychar == "."))
   {
   myfield.form.elements[dec].focus();
   return false;
   }
else
   return false;
}

function getArabic(s)
{
	s=s.replace(/\s/g,"");
s=s.replace(/&#(\d+);/g,
    function($1, $2) {
        return String.fromCharCode($2);
    });
	return s;
}

function Validation()
{
	//document.contform.name.focus();
	frm = document.contform;
	var error = new Array();
	var errorMessage = "";
	clear_spaces(frm);
	error[0] = checkText(frm.firstname)    ?  "" : "First Name is empty" ;
	//error[1] = checkText(frm.lastname)    ?  "" : "Last Name is empty" ;
	error[2] = checkText(frm.email) ?  "" : "Email is empty";
	error[4] = checkSelected(frm.country) ?  "" : "Please select the county";
	error[5] = checkText(frm.comment) ?  "" : "Comment is empty";
	if(error[2]== "")
	{	 
		error[3] = emailCheck(frm.email.value) ? "" : "Email is invalid";//
	}
	for(i= 0 ;i<error.length; ++i){
		if(error[i]!=undefined)
			errorMessage+= error[i] != "" ? " * " +error[i]+"\n" : "";
	}
	
	if(errorMessage == "")
	{
		return true;
	}
	else
	{
		alert(errorMessage);
		return false;
	}
}