function validateEmail(str) {
	/* EMAIL VALIDATION */
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Please enter a valid email address")
		   return false
		}

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

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

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

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

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Please enter a valid email address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Please enter a valid email address")
		    return false
		 }
	}
function validateContact(formName,emailField){
	//alert(formName);
	//alert(emailField);
	var email = eval("document." + formName + "." + emailField);
		if (validateEmail(email.value)==false){
			return false
		}
}
function ValidateForm(formName,type,idField,passwdField){
	var id=eval("document." + formName + "." + idField);
	var password=eval("document." + formName + "." + passwdField);
		if (type == 'email'){
			if ((id.value==null)||(id.value=="")){
				alert("Please enter your email address");
				id.focus();
				return false
			} else {		
				if (validateEmail(id.value)==false){
					id.value="";
					id.focus();
					return false
				} else {
					if ((password.value==null)||(password.value=="")){
							alert("Please enter your password");
							password.focus();
							return false
						} else {
							//SUBMIT FORM
							return true
						}
				}
			}
		} else if (type == 'id'){
			if((id.value==null)||(id.value=="")){
				alert("Please enter your Client ID");
				id.focus();
				return false
			} else {
				if ((password.value==null)||(password.value=="")){
					alert("Please enter your password");
					password.focus();
					return false
				} else {
					//SUBMIT FORM
					return true
				}
			}
		}
}