function validateForm()
{
	var message="";

	if(document.getElementById('name').value=='')
	{
		message=message+"Please enter Name \n";

	}
	
	userz=document.form_register.username.value;
	passz=document.form_register.password.value;
	repassz=document.form_register.password1.value;
	var validRegExp = /^([a-z]|[A-Z]|[0-9]|_)+$/;
	

	if(document.form_register.username.value=='')
	{
		message=message+"Please enter User name \n";
	}
	
	
	if(!(validRegExp.test(userz)))
	{
		message=message+"Wrong username characters \n";
		
	}
	

	if(passz.length==0)
	{
		message=message+"Password is empty \n";
	}	
	
	
	if(!(validRegExp.test(passz)))
	{
		message=message+"Wrong password characters \n";
	}
	
	if(repassz.length==0)
	{
		message=message+"Re-Password is empty \n";
	}	
	
	
	if(!(validRegExp.test(repassz)))
	{
		message=message+"Wrong re-password characters \n";
	
	}
	
	if(repassz!=passz)
	{
		message=message+"Passwords are not similar \n";
	}		

	if (document.getElementById('email').value == "")
	{
		message=message+"Please enter valid email address\n";
	}
	if (document.getElementById('email').value.length != 0)
	{
		var str1=document.getElementById('email').value;
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
		if (filter.test(str1))
		{
			testresults=true;
		}
		else
		{
			message=message+"Please enter avalid email\n";
		}
	}
	if(document.getElementById('position').value=='')
	{
		message=message+"Please enter Position \n";

	}
//	if(document.getElementById('institute_type').value=='')
//	{
//		message=message+"Please select Institute \n";
//
//	}
//	if(document.getElementById('institute_name').value=='')
//	{
//		message=message+"Please enter Institute name \n";
//
//	}
//	if(document.getElementById('faculty').value=='')
//	{
//		message=message+"Please select Faculty name \n";
//
//	}
//	if(document.getElementById('governorate').value=='')
//	{
//		message=message+"Please select Governorate \n";
//
//	}
//	var v = new RegExp();
//	v.compile("^[A-Za-z]+://[A-Za-z0-9-_]+\\.[A-Za-z0-9-_%&\?\/.=]+$");
//
//	url=document.getElementById('website').value;
//	if(url!='')
//	{
//		if (!v.test(url)) {
//
//			message=message+"Please enter a valid URL\n";
//		}
//	}
//
//	if (document.getElementById('phone').value != 0)
//	{
//
//		if (document.getElementById('phone').value != 0)
//		{
//			var phone=document.getElementById('phone').value;
//			var filter=/^([0-9])+$/
//			if (filter.test(phone))
//			{
//				testresults=true
//			}
//			else
//			{
//				message=message+"Phone can't contain letters \n";
//			}
//		}
//
//	}

		if (message.length > 0)
		{
			alert (message);
			return false;
		}
		else
		{
			return true;
		}
	}