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 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 ---*/
var tmpVal = obj.value.replace(/^\s*|\s*$/g,"");
if(tmpVal == "")
	{
		return false;
	}
else
	return true;
}/*---- Checks the text box for empty string -----*/

function checkText1(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 == "EXT")
	{
		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(trim(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)
{
	//alert(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 == -1 ) ? false : true;
}/*----checkSelected()-----*/

function checkMSelected(obj)
{
	//alert(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-z ]/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 = /^\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 openCalendar(element)
  {

  window.open( 'popupCalendar.php?e='+element, 'Calendar', 'top=250,left=250,width=272, height=292' );
  }/*---- openCalendar()-----*/
   
  /*function opencolorwheel(element) 
  {
  window.open('colorwheel.jpg?e='+element, 'select color', 'top=250,left=250,width=260, height=220, scrollbars=false' );
  }*/

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 isOnlyAlphaNumeric(string)
 {
	if(string == "") return false;
 	var invalidCharRegExp = /([a-zA-Z][0-9])|[0-9]/i;
	var isValid = (invalidCharRegExp.test(string));
	if(isValid){
	  var invalidCharRegExp1 = /[\W]/i;
	  var isValid1 = !(invalidCharRegExp1.test(string));
	  return isValid1;
	 } else {
		 return isValid;
	 }
 }

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 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 checkTextMail(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 ---*/
var tmpVal = obj.value.replace(/^\s*|\s*$/g,"");
if(tmpVal == "")
	{
		return false;
	}

}/*---- Checks the text box for empty string -----*/

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);
	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27)  || (key==43) || (key==45))
		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;
}