function pick_image(path)
{
	var img_name = new Array("captcha1.jpg", "captcha2.jpg","captcha3.jpg","captcha4.jpg", "captcha5.jpg","captcha6.jpg","captcha7.jpg", "captcha8.jpg","captcha9.jpg","captcha10.jpg", "captcha11.jpg","captcha12.jpg","captcha13.jpg","captcha14.jpg","captcha15.jpg", "captcha16.jpg","captcha17.jpg","captcha18.jpg", "captcha19.jpg","captcha20.jpg" );
	var img_code=new Array("srxoorw", "dlioqvm","yfwenm","eicqieff", "anoebli","hhiewqf","iveqpiue", "deqpiev","sppcaew","akmizli", "mwixlp","fxrwwni","sqqnvio","bgotawu","srzekqc", "ptpefvwi","sqephhe","votrewb", "ygolomla","ahthpom" );
	var l =img_name.length;
	var rnd_no = Math.floor(l*Math.random());
	document.getElementById("randomimage").src =path+img_name[rnd_no];
	document.getElementById("img_code").value=img_code[rnd_no];

}

/*function CHimage_Code()
{
	var img_code=document.getElementById('img_code').value;
	var verify=document.getElementById("cods").value;
	if(img_code!=verify)
	{
		document.getElementById("code_error").innerHTML="invalid verification code";
		document.getElementById("cods").focus();
		return(false);
	}
}*/

function R_msg(str)
{
	document.getElementById(str).innerHTML="";
}

function CHimage_Code()
{
	var img_code=document.getElementById('img_code').value;
	var verify=document.getElementById("cods").value;
	var nam=document.getElementById("name").value;
	var email=document.getElementById("email").value;
	var phone=document.getElementById("phone").value;
	var comment=document.getElementById("comment").value;
	var epath=document.getElementById('epath').value;
	if(nam=="Name")
	{
		document.getElementById("ename").innerHTML="Please type your name";
		document.getElementById("name").focus();
		return(false);
	}
	else if(email=="Email")
	{
		document.getElementById("eemail").innerHTML="Please type your email";
		document.getElementById("email").focus();
		return(false);
	}
	else if(email!="Email")
	{
		var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
		if(!(pattern.test(document.getElementById("email").value)))
		{         
			document.getElementById("eemail").innerHTML="Please type valid email";
			document.getElementById("email").focus();
			return(false);
		}
		else if(phone=="Phone")
		{
		document.getElementById("ephone").innerHTML="Please type your phone no";
		document.getElementById("phone").focus();
		return(false);
		}
	
		else if(comment=="Message")
		{
		document.getElementById("ecomment").innerHTML="Please type your message";
		document.getElementById("comment").focus();
		return(false);
		}
		else if(img_code!=verify)
		{
		document.getElementById("code_error").innerHTML="invalid verification code";
		document.getElementById("cods").focus();
		pick_image(epath);
		return(false);
		}
	}
	
	else
	{
		return(true);
	}
}

function OnlyNum(e)
{
	var KeyAscii=e.which?e.which:e.keyCode;
	if(!((KeyAscii>=48 && KeyAscii<=57) || KeyAscii==8 || KeyAscii==9 || KeyAscii==45))
	return(false);
}

function CHimagetwo_Code()
{
	var img_code=document.getElementById('img_code').value;
	var verify=document.getElementById("cods").value;
	var nam=document.getElementById("name").value;
	var email=document.getElementById("sendemail").value;
	var phone=document.getElementById("phone").value;
	var comment=document.getElementById("comment").value;
	var epath=document.getElementById('epath').value;
	if(nam=="Name")
	{
		document.getElementById("ename").innerHTML="Please type your name";
		document.getElementById("name").focus();
		return(false);
	}
	else if(email=="Email")
	{
		document.getElementById("eemail").innerHTML="Please type your email";
		document.getElementById("sendemail").focus();
		return(false);
	}
	else if(email!="Email")
	{
		var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
		if(!(pattern.test(document.getElementById("sendemail").value)))
		{         
			document.getElementById("eemail").innerHTML="Please type valid email";
			document.getElementById("sendemail").focus();
			return(false);
		}
		else if(phone=="Phone")
		{
		document.getElementById("ephone").innerHTML="Please type your phone no";
		document.getElementById("phone").focus();
		return(false);
		}
	
		else if(comment=="Message")
		{
		document.getElementById("ecomment").innerHTML="Please type your message";
		document.getElementById("comment").focus()
		return(false);
		}
		else if(img_code!=verify)
		{
		document.getElementById("code_error").innerHTML="invalid verification code";
		document.getElementById("cods").focus();
		pick_image(epath);
		return(false);
		}
	}
	
	else
	{
		return(true);
	}
}