function isValidEmail(str) {
        return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
   }


function load_image(){

    var imgpath = document.getElementById('file').value;
    if (imgpath != ""){
      var arr1 = new Array;
      arr1 = imgpath.split("\\");
      var len = arr1.length;
      var img1 = arr1[len-1];
      var filext = img1.substring(img1.lastIndexOf(".")+1);

      if(filext == "jpg" || filext == "jpeg" || filext == "gif" || filext == "bmp"){
         return true;  
      }else{
         alert("Invalid File Format Selected - ONLY JPG/GIF images accepted!");
         document.getElementById('file').value = '';
         document.getElementById('file').focus();
         return false;
      }

   }

}


function check_extension(file) {
     if(!/\.jpg{0,1}g$/i.test(file.value)){
		alert('JPG Images Only Please.');
              document.getElementById('file').value="";
		file.parentNode.replaceChild(valJpg.file.cloneNode(true), file);
              return false;
	}
}



function validate4(){

       var eusername= document.getElementById('username').value;

       var epassword= document.getElementById('password').value;

       var eemail= document.getElementById('email').value;

       var ezip= document.getElementById('zip').value;

       var eregion= document.getElementById('region').value;

       var estate= document.getElementById('state').value;

       var ecity= document.getElementById('city').value;

       var photo=document.getElementById('file').value;

       var eday= document.getElementById('eday').value;

       var emonth= document.getElementById('emonth').value;

       var eyear= document.getElementById('eyear').value;

      var headline= document.getElementById('headline').value;
 
      var essay= document.getElementById('essay').value;

       if (!eusername){

          alert('Please Enter a Username!');

          document.getElementById('username').focus();

          return false;

       }

        if (!epassword){

          alert('Please Enter a Password!');

          document.getElementById('password').focus();

          return false;

       }

        if (!eemail){

          alert('Please Enter an E-mail!');

          document.getElementById('email').focus();

          return false;

       }

       

      if (isValidEmail(eemail)==false){

          alert('Please Enter a VALID E-mail Address!');

          document.getElementById('email').focus();

          return false;      

      }

      

      if (!zip){

          alert('Please Enter a Zip code');

          document.getElementById('zip').focus();

          return false;

       }





    if (!estate){

      if (!eregion){

          alert('Please Enter a Non-US State/Region/Province!');

          document.getElementById('region').focus();

          return false;

       }

   }





      if (!ecity){

          alert('Please Enter a City');

          document.getElementById('city').focus();

          return false;

       }

      

      

       if (!emonth){

          alert('Please Enter a Month');

          document.getElementById('emonth').focus();

          return false;

       }



      if (!eday){

          alert('Please Enter a Day');

          document.getElementById('eday').focus();

          return false;

       }


      if (!eyear){

          alert('Please Enter a Year');

          document.getElementById('eyear').focus();

          return false;

       }


      if (!headline){

          alert('Please Enter a HeadLine');

          document.getElementById('headline').focus();

          return false;

       }


     if (!essay){

          alert('Please Enter a Essay');

          document.getElementById('essay').focus();

          return false;

       } 

      
      
}