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].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;
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-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()---*/