function Show(div1,div2,div3)
{
	var theDiv1 = document.getElementById(div1);
	var theDiv2 = document.getElementById(div2);
	var theDiv3 = document.getElementById(div3);
	
	if (theDiv1.style.display == 'none') {
		theDiv1.style.display = 'block';	
		theDiv2.style.display = 'none';
		theDiv3.style.display = 'none';
	}
}

function bookmarksite(title, url){
if (document.all)
window.external.AddFavorite(url, title);
else if (window.sidebar)
window.sidebar.addPanel(title, url, "")
}

function checkcookie()
{
dcookie="";
var dcookie = document.cookie;
if(dcookie!="")
{
document.getElementById("thnk").style.diaplay="block";
}
else
{
document.getElementById("thnk").style.display = "none";
}
}

function popup(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href, windowname, 'width=330,height=200,scrollbars=no');
return false;
}


function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid email address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid email address")
		    return false
		 }

 		 return true					
	}

function checkContactForm()
	{
	
	if ((contactForm.skillCategory.value==null)||(contactForm.skillCategory.value=="")){
		alert("Please select skill category.")
		contactForm.skillCategory.focus()
		return false
	}

	if ((contactForm.teamSize.value==null)||(contactForm.teamSize.value=="")){
		alert("Please select team size.")
		contactForm.teamSize.focus()
		return false
	}

	if ((contactForm.commitment.value==null)||(contactForm.commitment.value=="")){
		alert("Please select commitment.")
		contactForm.commitment.focus()
		return false
	}

	if ((contactForm.length.value==null)||(contactForm.length.value=="")){
		alert("Please select project length.")
		contactForm.length.focus()
		return false
	}
	
	if ((contactForm.projectUnit.value==null)||(contactForm.projectUnit.value=="")){
		alert("Please select project unit.")
		contactForm.projectUnit.focus()
		return false
	}

	if ((contactForm.firstname.value==null)||(contactForm.firstname.value=="")){
		alert("Please enter first name.")
		contactForm.firstname.focus()
		return false
	}

	if ((contactForm.lastname.value==null)||(contactForm.lastname.value=="")){
		alert("Please enter last name.")
		contactForm.lastname.focus()
		return false
	}

	
	if ((contactForm.email.value==null)||(contactForm.email.value=="")){
		alert("Please enter email address.")
		contactForm.email.focus()
		return false
	}

	if (echeck(contactForm.email.value)==false){
		contactForm.email.value=""
		contactForm.email.focus()
		return false
	}

	if (contactForm.email.value!=contactForm.conEmail.value){
		alert("Your email address and confirm email address are not match.")
		contactForm.email.focus()
		return false
	}

	else
		return true;
 }





function checkPartnerForm()
	{
	
	if ((partnerForm.name.value==null)||(partnerForm.name.value=="")){
		alert("Please enter your name.")
		partnerForm.name.focus()
		return false
	}

		
	if ((partnerForm.email.value==null)||(partnerForm.email.value=="")){
		alert("Please enter email address.")
		partnerForm.email.focus()
		return false
	}

	if (echeck(partnerForm.email.value)==false){
		partnerForm.email.value=""
		partnerForm.email.focus()
		return false
	}

	if ((partnerForm.attention.value==null)||(partnerForm.attention.value=="")){
		alert("Please select attention.")
		partnerForm.attention.focus()
		return false
	}

	

	else
		return true;
 }

 function checkFreindForm()
	{
	
	if ((friendForm.name.value==null)||(friendForm.name.value=="")){
		alert("Please enter your name.")
		friendForm.name.focus()
		return false
	}

		
	if ((friendForm.email.value==null)||(friendForm.email.value=="")){
		alert("Please enter your email address.")
		friendForm.email.focus()
		return false
	}

	if (echeck(friendForm.email.value)==false){
		friendForm.email.value=""
		friendForm.email.focus()
		return false
	}

	if ((friendForm.fname.value==null)||(friendForm.fname.value=="")){
		alert("Please enter your friend name.")
		friendForm.fname.focus()
		return false
	}

		
	if ((friendForm.fmail.value==null)||(friendForm.fmail.value=="")){
		alert("Please enter your friend email address.")
		friendForm.fmail.focus()
		return false
	}

	if (echeck(friendForm.fmail.value)==false){
		friendForm.fmail.value=""
		friendForm.fmail.focus()
		return false
	}

	

	else
		return true;
 }