function trimString (str){
  str = this != window? this : str;
  return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
}

function validation()
  {
   var flage=true;
   var numcon=0;
   
   if(document.frm_contact.nametxt.value==""){
    flage=false;
    numcon=numcon+"^"+ "1";
   }
   
    if(document.frm_contact.emailtxt.value==""){
    flage=false;
    numcon=numcon+"^"+ "2";
   }
       
   if(document.frm_contact.emailtxt.value!=""){
     if ((/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.frm_contact.emailtxt.value)) == false){
      flage=false;
      numcon=numcon+"^"+ "3";
      }
   }
   
   if(document.frm_contact.phonetxt.value==""){
    flage=false;
    numcon=numcon+"^"+ "4";
   }
   
    if(document.frm_contact.phonetxt.value!=""){
     if (check_phonenumber(document.frm_contact.phonetxt) == false){
      flage=false;
      numcon=numcon+"^"+ "5";
      }
   }
   
    if(document.frm_contact.messagetxt.value==""){
    flage=false;
    numcon=numcon+"^"+ "6";
   }
   
         
  if(flage==true){
	  	document.getElementById('internal_msg').innerHTML=" ";
		document.getElementById('internal_msg').innerHTML="please wait, while processing ...";
		
		//alert(document.getElementById('internal_msg').innerHTML);
		
	   	document.frm_contact.submit();
	}else{
    ShowMsgBox(numcon);
    FocusOnControl(numcon);
    return false;
    }
  }
  
function ShowMsgBox(t)
{
var _StrMsg="";
	if(t.value!=0){
	    _StrMsg="_______validation summary_______" + "\n"+"\n";
		vmodelArr=t.split("^");
	  for(i=1;i<vmodelArr.length;i++)
	  {
		if(vmodelArr[i]=="1"){
	        _StrMsg=_StrMsg+"- please enter name."+ "\n"; }
	   	else if(vmodelArr[i]=="2"){
	        _StrMsg=_StrMsg+"- please enter email."+ "\n"; }
	   	else if(vmodelArr[i]=="3"){
	        _StrMsg=_StrMsg+"- please enter valid email."+ "\n"; }
		else if(vmodelArr[i]=="4"){
	        _StrMsg=_StrMsg+"- please enter phone no."+ "\n"; }
		else if(vmodelArr[i]=="5"){
	        _StrMsg=_StrMsg+"- please enter valid phone no."+ "\n"; }
		else if(vmodelArr[i]=="6"){
	        _StrMsg=_StrMsg+"- please enter message."+ "\n"; }
	   	    
	  }
	  _StrMsg=_StrMsg+"_____________________________";
	  alert(_StrMsg);
  }
}

function FocusOnControl(t)
{
    if(t.value!=0){
    vmodelArr=t.split("^");
	if(vmodelArr[1]=="1"){
        document.frm_contact.nametxt.focus(); 
    }else if(vmodelArr[1]=="2"){
		document.frm_contact.emailtxt.focus();        
    }else if(vmodelArr[1]=="3"){
		document.frm_contact.emailtxt.focus();
		document.frm_contact.emailtxt.select();         
    }else if(vmodelArr[1]=="4"){
		document.frm_contact.phonetxt.focus();		     
    }else if(vmodelArr[1]=="5"){
      document.frm_contact.phonetxt.focus();
	  document.frm_contact.phonetxt.select();
	}else if(vmodelArr[1]=="6"){
		document.frm_contact.messagetxt.focus(); }
		
   }
}

function resetMsg(){
	document.getElementById('internal_msg').innerHTML="";
	document.getElementById('internal_msg').innerHTML="&nbsp;";
}

function check_phonenumber(phoneBox){
	var phoneVal = trimString(phoneBox.value.toString()); 
	phoneBox.value=trimString(phoneBox.value.toString());
	
	var valid;
	valid=true;
	var mstr=phoneVal.toString();
	var count=0;
	for (var i = 0;i < mstr.length;i++){
		var oc = mstr.charAt(i);
		if ((oc < "0" ||oc > "9")){
			count++;
		}
	}
	
	if(mstr.length>0){
		var oc = mstr.charAt(0);
		if ((oc < "0" ||oc > "9")&& oc!="+"){
			valid=false;
		}
	}
	for (var i = 1;i < mstr.length;i++){
		var oc = mstr.charAt(i);
		if ((oc < "0" ||oc > "9")&& oc!=" "&& oc!=","&& oc!="-"&& oc!="+" && oc!="(" && oc!=")"){
			valid=false;
		}
	}
	if (valid == false){		
		return(false);
	}
	return(true);
}


function email_us()
{
	var jvrSqBQq=["115","116","117","100","105","111","64","100","97","109","105","101","110","106","97","109","101","115","100","101","115","105","103","110","46","105","109"];
	var cQXGoAal=["115","116","117","100","105","111","64","100","97","109","105","101","110","106","97","109","101","115","100","101","115","105","103","110","46","105","109"];
	document.write("<a style='color:#58585a' href='&#109;&#97;&#105;&#108;&#00116;&#00111;&#58;");
	for (i=0; i<jvrSqBQq.length; i++) document.write("&#"+jvrSqBQq[i]+";");
	document.write("'>");
	for (i=0; i<cQXGoAal.length; i++) document.write("&#"+cQXGoAal[i]+";");
	document.write('</a>');
}