function userEmailValidCheck()

{

		var x=document.getElementById("userEmail").value;

		var pattern= /^[_a-zA-Z0-9\-]+(\.[_a-zA-Z0-9\-]*)*@[a-zA-Z0-9\-]+([\.][a-zA-Z0-9\-]{2,4})+$/;

		var tag=pattern.test(x);

	  

		if(x.length==0)

		{

			document.getElementById('userEmail1').innerHTML = '<font color="red">Error! You must enter your email address.</font>';

			return false;

		}

	    else 

	    {

	    	if(!tag){document.getElementById('userEmail1').innerHTML = '<font color="red">Error! You must enter a valid email address.</font>'; return false;}

	    	

	    	else {document.getElementById('userEmail1').innerHTML = '';

	    		 return true;}

	    }

}



function friendMessageCheck()

{

	var z= document.getElementById("fm").value;

	if(trim(z).length==0) {

	 document.getElementById('friendMessage1').innerHTML = '<font color="red">Error! Please enter your message.</font>';

	 return false;

	}

	else if(trim(z).length>1200) {

	 document.getElementById('friendMessage1').innerHTML = '<font color="red">Error! The words you entered exceed the length of 1200 characters.</font>';

	 return false;

	}

	else {

	  document.getElementById('friendMessage1').innerHTML = '';

	  return true;

	}

}



function reasonCheck()

{

	var y=document.getElementById("reason").value;

	 if(y==0)

    {

    	document.getElementById('reasonOption').innerHTML = '<font color="red">You must select reason.</font>';

       return false; 

    }

    else 

     {

    	document.getElementById('reasonOption').innerHTML ='';

		return true;

     }

	

}



function verifyValidCheck()

{

  var filter  = /^[a-zA-Z0-9]+$/;

  var verifyy =document.getElementById("verify").value;

  if(verifyy.length == 0 || verifyy == '')

    {

      document.getElementById('error_verify').innerHTML = '<font color="red">Error! Please enter verification code.</font>';

    }

  else if(!filter.test(verifyy))

    {

      document.getElementById('error_verify').innerHTML = '<font color="red">Error! Only Alphanumeric characters are allowed.</font>';

    }

  else 

    {

      document.getElementById('error_verify').innerHTML = '';

    }

}



function validCheck()

{ 

	var x=document.getElementById("userEmail").value;

	

	var z= document.getElementById("fm").value;

	

	var w= document.getElementById("verify").value;

	

	var y=document.getElementById("reason").value;

	

	var pattern= /^[_a-zA-Z0-9\-]+(\.[_a-zA-Z0-9\-]*)*@[a-zA-Z0-9\-]+([\.][a-zA-Z0-9\-]{2,4})+$/;

	var filter  = /^[a-zA-Z0-9]+$/;

	var tag1;

	tag1=pattern.test(x);

	

	var k=0;

	if(x.length==0)

		{ 

			document.getElementById('userEmail1').innerHTML = '<font color="red">Error! You must enter your email address.</font>';

			k=1;

		}

	    else 

	    {

	    	if(!tag1){

	    		

	    		document.getElementById('userEmail1').innerHTML = '<font color="red">Error! You must enter a valid email address.</font>';

	    		k=1;

	    		}

	    	

	    	else {

	    		

	    		document.getElementById('userEmail1').innerHTML ='';

	    		

	    		}

	    }

	if(y==0)

    {

    	document.getElementById('reasonOption').innerHTML = '<font color="red">You must select reason.</font>';

       k=5;

    }

	else 

     {

    	document.getElementById('reasonOption').innerHTML ='';

     }

	 

	 

	if(trim(z).length==0) {

		document.getElementById('friendMessage1').innerHTML = '<font color="red">Error! Please enter your message.</font>';

		k=3;

	}

	else if(trim(z).length>1200) {

	   document.getElementById('friendMessage1').innerHTML = '<font color="red">Error! The words you entered exceed the length of 1200 characters.</font>';

	   k=3;

	}

	else {

	  document.getElementById('friendMessage1').innerHTML = '';

	}

	

   

   

    if(w.length == 0 || w == '')

    {

      document.getElementById('error_verify').innerHTML = '<font color="red">Error! Please enter verification code.</font>';

	  k=4;

    }

    else if(!filter.test(w))

    {

      document.getElementById('error_verify').innerHTML = '<font color="red">Error! Only Alphanumeric characters are allowed.</font>';

	  k=4;

    }

    else 

    {

      document.getElementById('error_verify').innerHTML = '';

    }

	

	if(k>0)

	{

		document.getElementById("pro_gif").style.display='none';

		return false;

	}

	else

	{

		document.getElementById("pro_gif").style.display='';

		return true;

	}

}

function trim(str, chars)

	{

	  return ltrim(rtrim(str, chars), chars);

	} 

	



function ltrim(str, chars)

	{

	  chars = chars || "\\s";

	  return str.replace(new RegExp("^[" + chars + "]+", "g"), "");

	}

	 



function rtrim(str, chars)

	{

	  chars = chars || "\\s";

	  return str.replace(new RegExp("[" + chars + "]+ s", "g"), "");

	}