// JavaScript Document
var min=8;
var max=18;
function increaseFontSize() {
   var p = document.getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=max) {
         s += 1;
      }
      p[i].style.fontSize = s+"px"
   }
}
function decreaseFontSize() {
   var p = document.getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=min) {
         s -= 1;
      }
      p[i].style.fontSize = s+"px"
   }   
}
function checkform() 
{ 
 document.Contact.username.value=document.Contact.username.value.replace(/^\s*|\s*$/g,"");
 document.Contact.email.value=document.Contact.email.value.replace(/^\s*|\s*$/g,"");
     if (document.Contact.username.value=="")
     {
	 alert("Enter Name :"); 
     return false;
	 } 
	 else if (document.Contact.email.value=="")
     {
	 alert("Enter Email :"); 
     return false;
	 } 
	 else
	 {
	 return true;
	 }
}


function validate(form_id,email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.forms[form_id].elements[email].value;
   if(reg.test(address) == false) {
      alert('Invalid Email Address');
      return false;
   }
}

function CheckKeyCode()
{
  if(!(event.keyCode==45||event.keyCode==46||event.keyCode==48||event.keyCode==49||
	   event.keyCode==50||event.keyCode==51||event.keyCode==52||event.keyCode==53||
	   event.keyCode==54||event.keyCode==55||event.keyCode==56||event.keyCode==57||
	   event.keyCode == 8 || event.keyCode == 190 || event.keyCode == 37 || event.keyCode == 39 || event.keyCode == 16))
		{
			return false;
		}
		else
		{
			return true;
		}
}