'isReadByInterlocutor' marker in PMMessage template

Builder/IISMainHandler/build.txt

@@ -1 +1 @@
-616
+617

Builder/IISUploadHandler/build.txt

@@ -1 +1 @@
-350
+351

Common/dataobjects/PMMessage.cs

@@ -117,6 +117,11 @@ namespace FLocal.Common.dataobjects {
 				return this._incomingPMId;
 			}
 		}
+		public PMMessage incomingPM {
+			get {
+				return PMMessage.LoadById(this.incomingPMId.Value);
+			}
+		}
 
 		private bool _isRead;
 		public bool isRead {
@@ -160,6 +165,9 @@ namespace FLocal.Common.dataobjects {
 				new XElement("body", context.outputParams.preprocessBodyIntermediate(this.body)),
 				new XElement("bodyUBB", this.bodyUBB)
 			);
+			if(this.direction == ENUM_DIRECTION_OUTGOING) {
+				result.Add(new XElement("isReadByInterlocutor", this.incomingPM.isRead));
+			}
 			if(additional.Length > 0) {
 				result.Add(additional);
 			}

static/css/global.css

@@ -82,3 +82,6 @@ pre
 [spoiler] [opener] {
 	cursor:hand;
 }
+.warning {
+	background-color:red;
+}

templates/Full/elems/PMInfo.xslt

@@ -15,6 +15,9 @@
 							<table width="100%" border="0" cellpadding="0" cellspacing="0">
 								<tr>
 									<td align="left" width="65%" valign="top">
+										<xsl:if test="isReadByInterlocutor='false'">
+											<xsl:attribute name="class">warning</xsl:attribute>
+										</xsl:if>
 										<a target="_blank" class="separate">
 											<img border="0" alt="" style="vertical-align: text-bottom">
 												<xsl:choose>