function display_ShowHide(id,type) {
	var target = document.getElementById(id);
	var all = document.getElementsByTagName(type);
	if (target.style.display == '') {
 		target.style.display = 'none';          
   		return true;
	}
	for (var i = 0; i < all.length; i++) { 
 		all[i].style.display = "none";
	} 
	if (target.style.display == "none") {
 		target.style.display = '';          
	}
}
function check_freindemail(NForm){
	var x=document.getElementById(NForm);
	for(var i=4;i<x.length-4;i++){
		if(x[i].value){
			var pass=1;
 			var str = x[i].value;
			var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; 
 			var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
 			if (!reg1.test(str) && reg2.test(str)) {

 			}else{
         		alert ("PLEASE ENTER VALID EMAIL!");
         		return false; 
 			}
		}
	}
	if(pass==1){
		if(Validate_yourname(NForm)==true) return true;
		return false;
	}
	alert("Please enter an Email");
	return false;
}

function Validate_yourname(NForm){
 	freind.t_yourname.focus();
 	if(freind.t_yourname.value.length==0){ 
  		alert("You must enter Your Name"); 
  		return false; 
 	}
	return true;
}