function onEnterKey(e) {

		var press;
		if (window.event) {
			press = window.event.keyCode;
			   		   
		} else if (e) {
			press = e.which;
			  
		} else {
		   return true;
		}
		if (press == 13) {
			
		  checkKeyword();
		  
		  
		  return false
		}
		return true
	}

	function checkKeyword() {
		
		var keyword1 = document.forms[0].attrValue1.value;	
		keyword1 = keyword1.replace(/^\s+/g, '').replace(/\s+$/g, '');


		if (keyword1 == null || keyword1.length == 0) {
			alert("Keyword is required");
		} else if (keyword1.length == 1) {
			alert("Keyword is too small");
		} else {		

			if(document.forms[0].attrValue2.value == "Please Select"){	
				document.forms[0].attrValue2.options[document.forms[0].attrValue2.selectedIndex].value = '';
			}
			
			//document.forms[0].target = 'mainFrame'
			document.forms[0].submit();
		}
	
	}

	function setRangeValue (selectedValue) {
		//alert(selectedValue);
		if (selectedValue == "1400") {
			document.getElementById("range2").value = "1799";
		} else if (selectedValue == "1") {
			document.getElementById("range2").value = "1399";
		} else if (selectedValue == "1800") {
			document.getElementById("range2").value = "1899";
		} else if (selectedValue == "1900") {
			document.getElementById("range2").value = "1909";
		} else if (selectedValue == "1910") {
			document.getElementById("range2").value = "1919";
		} else if (selectedValue == "1920") {
			document.getElementById("range2").value = "1929";
		} else if (selectedValue == "1930") {
			document.getElementById("range2").value = "1939";
		} else if (selectedValue == "1940") {
			document.getElementById("range2").value = "1949";
		} else if (selectedValue == "1950") {
			document.getElementById("range2").value = "1959";
		} else if (selectedValue == "1960") {
			document.getElementById("range2").value = "1969";
		} else if (selectedValue == "1970") {
			document.getElementById("range2").value = "1979";
		} else if (selectedValue == "1980") {
			document.getElementById("range2").value = "1989";
		} else if (selectedValue == "1990") {
			document.getElementById("range2").value = "1999";
		} else if (selectedValue == "2000") {
			document.getElementById("range2").value = "2999";
		} else if (selectedValue == "3000") {
			document.getElementById("range2").value = "999999";
		} else if (selectedValue == "-1") {
			document.getElementById("range2").value = "-999999";
		} else if (selectedValue == "3000") {
			document.getElementById("range2").value = "999999";
		}
		//alert(document.getElementById("range2").value);
	}