function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

/************** Start Chack Mandatory field *******************/
function checkMandatoryFields(oForm)
{
	var sMessage = "";
	
	var iChars = "!@#$%^&*()+=-[]\\\;,'./{}|\":<>?";
	
	  for (var i = 0; i < oForm.txtName.value.length; i++)
	   {
		if (iChars.indexOf( oForm.txtName.value.charAt(i)) != -1)
	    {
			alert ("Name has special characters. \nThese are not allowed.\n Please remove them and try again.");			
			return false;			
		}
	  }
	  
	  var iChars1= "!@#$%^&*()+=-[]\\\;,'./{}|\":<>?";
	
	  for (var i = 0; i < oForm.txtOrg.value.length; i++)
	   {
		if (iChars1.indexOf( oForm.txtOrg.value.charAt(i)) != -1)
	    {
			alert ("Organisation has special characters. \nThese are not allowed.\n Please remove them and try again.");			
			return false;			
		}
	  }
	  
	  var iChars2= "!@#$%^&*()+=-[]\\\;,'./{}|\":<>?";
	
	  for (var i = 0; i < oForm.txtState.value.length; i++)
	   {
		if (iChars2.indexOf( oForm.txtState.value.charAt(i)) != -1)
	    {
			alert ("State has special characters. \nThese are not allowed.\n Please remove them and try again.");			
			return false;			
		}
	  }	  
	   	  
	  var iChars4= "!@#$%^&*()+=-[]\\\;,'./{}|\":<>?";
	
	  for (var i = 0; i < oForm.txtCountry.value.length; i++)
	   {
		if (iChars4.indexOf( oForm.txtCountry.value.charAt(i)) != -1)
	    {
			alert ("Country has special characters. \nThese are not allowed.\n Please remove them and try again.");			
			return false;			
		}
	  }
	  
	  var iChars5= "!@#$%^&*()+=-[]\\\;,'./{}|\":<>?";
	
	  for (var i = 0; i < oForm.txtSubject.value.length; i++)
	   {
		if (iChars5.indexOf( oForm.txtSubject.value.charAt(i)) != -1)
	    {
			alert ("Support Subject has special characters. \nThese are not allowed.\n Please remove them and try again.");			
			return false;			
		}
	  }
	  
	  var iChars6= "!@$%^*()+=-[]\\\;/{}|\":<>";
	
	  for (var i = 0; i < oForm.txtareaComments.value.length; i++)
	   {
		if (iChars6.indexOf( oForm.txtareaComments.value.charAt(i)) != -1)
	    {
			alert ("Comments has special characters. \nThese are not allowed.\n Please remove them and try again.");			
			return false;			
		}
	  }
	  
	   var iChars7= "<>";
	
	  for (var i = 0; i < oForm.txtMedium.value.length; i++)
	   {
		if (iChars7.indexOf( oForm.txtMedium.value.charAt(i)) != -1)
	    {
			alert ("Telephone has special characters. \nThese are not allowed.\n Please remove them and try again.");			
			return false;			
		}
	  }	  
	  
	if(emptyField(oForm.txtName))
		sMessage = sMessage + "\r\n" + "---Enter Name.";
		else if(trim(oForm.txtName.value)) 
			sMessage = sMessage + "\r\n" + "---Remove blank space(s) from Name field.";
			
	if(emptyField(oForm.txtEmail))
		sMessage = sMessage + "\r\n" + "---Enter Email Address.";
		else if(!(checkEMailFormat(oForm.txtEmail.value)))
			sMessage = sMessage + "\r\n" + "---Enter valid Email Address.";
			
	if(emptyField(oForm.txtOrg))
		sMessage = sMessage + "\r\n" + "---Enter Organisation Name.";
		else if(trim(oForm.txtOrg.value)) 
			sMessage = sMessage + "\r\n" + "---Remove blank space(s) from Organisation field.";	
	
	if(emptyField(oForm.txtSubject))
		sMessage = sMessage + "\r\n" + "---Enter Support Subject.";
		else if(trim(oForm.txtSubject.value)) 
			sMessage = sMessage + "\r" + "---Remove blank space(s) from Support Subject field.";	
	
	if(oForm.comboMedium.value == "Select")
		sMessage = sMessage + "\r\n" + "---Select, Support Medium.";
	else
	{
		val = oForm.comboMedium.value;
		switch(val)
		{
			case "Select" :
			{
				
			}
			case "1" :
			{
				if(emptyField(oForm.txtMedium))
					sMessage = sMessage + "\r\n" + "---Enter Telephone Number.";
					else if(trim(oForm.txtMedium.value)) 
						sMessage = sMessage + "\r\n" + "---Remove blank space(s) from Telephone Number field.";
				break;
			}
			case "2" :
			{
				if(emptyField(oForm.txtMedium))
					sMessage = sMessage + "\r\n" + "---Enter Email Address for Support Medium.";
					else if(!(checkEMailFormat(oForm.txtMedium.value)))
						sMessage = sMessage + "\r\n" + "---Enter valid Email Address for Support Medium.";
				break;
			}
			case "3" :
			{
				if(emptyField(oForm.txtMedium))
					sMessage = sMessage + "\r\n" + "---Enter Yahoo Messenger ID.";
					else if(trim(oForm.txtMedium.value)) 
						sMessage = sMessage + "\r\n" + "---Remove blank space(s) from Yahoo Messenger ID field.";
						
				if(emptyField(oForm.txtDate))
					sMessage = sMessage + "\r\n" + "---Enter Date of Chatting.";
					else if(trim(oForm.txtDate.value)) 
						sMessage = sMessage + "\r\n" + "---Remove blank space(s) from Date field.";
						
				if(emptyField(oForm.txtTime))
					sMessage = sMessage + "\r\n" + "---Enter Time of Chatting.";
					else if(trim(oForm.txtTime.value)) 
						sMessage = sMessage + "\r\n" + "---Remove blank space(s) from Time field.";
						
				break;
			}
		}
	}
	
	
	if(!emptyField(oForm.txtMedium))
	{
		oForm.hiddenSupDateTime.value = oForm.txtDate.value +" "+oForm.txtTime.value;
	}
	
	if(emptyField(oForm.txtareaComments))
		sMessage = sMessage + "\r\n" + "---Enter Comments.";
		else if(trim(oForm.txtareaComments.value)) 
			sMessage = sMessage + "\r\n" + "---Remove blank space(s) from Comments field.";	
							
	if (emptyField(oForm.captcha))					
		sMessage = sMessage + "\r\n" + "---Enter the 3 black symbol in Captcha Field";   
		else if(trim(oForm.captcha.value))	
			sMessage = sMessage + "\r\n" + "---Remove blank spaces from Captcha field";					
					
		
	if(sMessage.length > 0)
	{
		alert("Please fill the following mandatory fields" + sMessage);
		return false; 
	}
}
/************** End Chack Mandatory field *******************/


/************** Start Chack Empty field *******************/
function emptyField(oTextField)
{
	if (oTextField.value.length == 0) return true;
	for (var i=0; i< oTextField.value.length; i++) {
		var ch = oTextField.value.charAt(i);
		if (ch != ' ' && ch != '\t') return false;
		}
}
/************** End Chack Empty field *******************/



/************** Start Chack Email format *******************/
function checkEMailFormat (emailStr)
{
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) 
		return false;

	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) 
		{
			if (user.charCodeAt(i)>127) 
				{
					//alert("Ths username contains invalid characters.");
					return false;
				}	
		}
	for (i=0; i<domain.length; i++) 
		{
			if (domain.charCodeAt(i)>127) 
				{
					return false;
				}
		}

	

	if (user.match(userPat)==null) 
		{
			return false;
		}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) 
		{
			// this is an IP address
			for (var i=1;i<=4;i++) 
				{
					if (IPArray[i]>255) 
						{
							//alert("Destination IP address is invalid!");
							return false;
						}
				}
			return true;
		}

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) 
		{
			if (domArr[i].search(atomPat)==-1) 
				{
					return false;
				}
		}
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) 
			{
				return false;
			}

	if (len<2) 
		{
			//alert("This address is missing a hostname!");
			return false;
		}

	
	return true;
}
/************** End Chack Email format *******************/

/************** Start Triming blanks space and para*******************/
function trim(par)
{
	var y = par.length;
	var ret = '';
	var ex=0;
	var bl=0;
	for (i=0;i<y;i++)
	{
		if (par.charAt(i) == ' ')
			bl = bl+1
		else
		{
			ret=ret+par.charAt(i);
			ex = ex+1
		}
	}
	if (bl==y)
		return true;
	else 
		return false;
	
}
/************** End Triming blanks space and para*******************/


function contolMedium(val)
{
	switch(val)
	{
		case "Select" :
		{
			document.formInstSup.txtMedium.style.background = "#EBEFF1";
			document.formInstSup.txtDate.style.background = "#EBEFF1";
			document.formInstSup.txtTime.style.background = "#EBEFF1";
			document.formInstSup.txtMedium.disabled = true;
			document.formInstSup.txtDate.disabled = true;
			document.formInstSup.txtTime.disabled = true;
			document.formInstSup.txtMediumLable.value = "";
			document.formInstSup.txtMedium.value = "";
			break;
		}
		case "1" :
		{
			document.formInstSup.txtMedium.style.background = "#ffffff";
			document.formInstSup.txtDate.style.background = "#EBEFF1";
			document.formInstSup.txtTime.style.background = "#EBEFF1";
			document.formInstSup.txtMedium.disabled = false;
			document.formInstSup.txtDate.disabled = true;
			document.formInstSup.txtTime.disabled = true;
			document.formInstSup.txtMediumLable.value = "Telephone No.";
			document.formInstSup.txtMedium.value = "";
			document.formInstSup.txtMedium.focus();
			break;
		}
		case "2" :
		{
			document.formInstSup.txtMedium.style.background = "#ffffff";
			document.formInstSup.txtDate.style.background = "#EBEFF1";
			document.formInstSup.txtTime.style.background = "#EBEFF1";
			document.formInstSup.txtMedium.disabled = false;
			document.formInstSup.txtDate.disabled = true;
			document.formInstSup.txtTime.disabled = true;
			document.formInstSup.txtMediumLable.value = "Email Address";
			document.formInstSup.txtMedium.value = document.formInstSup.txtEmail.value;
			document.formInstSup.txtMedium.focus();
			break;
		}
		case "3" :
		{
			document.formInstSup.txtMedium.style.background = "#ffffff";
			document.formInstSup.txtDate.style.background = "#ffffff";
			document.formInstSup.txtTime.style.background = "#ffffff";
			document.formInstSup.txtMedium.disabled = false;
			document.formInstSup.txtDate.disabled = false;
			document.formInstSup.txtTime.disabled = false;
			document.formInstSup.txtMediumLable.value = "Yahoo Messenger ID";
			document.formInstSup.txtMedium.value = "";
			document.formInstSup.txtMedium.focus();
			break;
		}
	}
}


/******************************* Auto Increment textbox - Start **********************************/
function auto_increment_textbox(oForm,size) 
{
	
	if((oForm.value == null ) || (oForm.value == "" )) 
		oForm.size = size;
	if(oForm.value.length >= size)
		oForm.size = oForm.value.length + 1;
	else oForm.size = size;
}
/******************************* Auto Increment textbox - End **********************************/



/************************** print popup - start *****************************/
function OpenWindow(url,width,height)
{
  var left = (screen.width/2) - width/2;
  var top = (screen.height/2) - height/2;
  var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
  var msgWindow = window.open(url,"msgWindow", styleStr);
}
/************************** print popup - end *****************************/

function validate(f)
{
	var re = /^[0]*$/; 
	if (!re.test(f.value))
	{ 
		alert("This facility is not available! Only browse the file..."); 
		f.value = f.value.replace(/[^0]/g,""); 
 	} 
}

function textboxMultilineMaxNumber(txt,maxLen)
{   
  
	if(txt.value.length > (maxLen-1))
		{
			alert("Characters should be less than 230")
			return false;
		}

}